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Pseudofolliculitis barbae

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37: 333:. For men who are required to, or simply prefer to shave, studies show the optimal length to be about 0.5 mm to 1 mm to prevent the hair growing back into the skin. Using a beard trimmer at the lowest setting (0.5mm or 1mm) instead of shaving is an efficient alternative. The resulting faint stubble can be shaped using a standard electric razor on non-problematic areas (cheeks, lower neck). 404:
is a potent treatment that helps even out any scarring after a few months. It is added as a nightly application of tretinoin cream 0.05–0.1% to the beard skin while beard is growing out. Tea tree oil, witch hazel, and hydrocortisone are also noted as possible treatments and remedies for razor bumps.
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should use a single blade or special wire-wrapped blade to avoid shaving too closely, with a new blade each shave. Shaving in the direction of hair growth every other day, rather than daily, may improve pseudofolliculitis barbae. If a blade must be used, softening the beard first with a hot, wet
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that commonly affects people who have curly or coarse facial hair. It occurs when hair curls back into the skin after shaving, causing inflammation, redness, and bumps. This can lead to ingrown hairs, scarring, and skin discoloration. PFB can be treated with various methods, including changing
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to be an effective and well-tolerated therapy which resulted in significantly fewer PFB lesions on the face and neck. The mechanism of action of glycolic acid is unknown, but it is hypothesized that straighter hair growth is caused by the reduction of
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Anderson, R. Rox; Margolis, Randall J.; Watenabe, Shinichi; Flotte, Thomas; Hruza, George J.; Dover, Jeffrey S. (1989). "Selective Photothermolysis of Cutaneous Pigmentation by Q-switched Nd: YAG Laser Pulses at 1064, 532. and 355nm".
201:. The difference between the two is the cause of the inflammation in the hair follicles. Where folliculitis barbae is caused by viral or bacterial infections, pseudofolliculitis is created by irritation from shaving and ingrown hairs. 225:
Pseudofolliculitis barbae (PFB) is most common on the face, but it can also happen on other parts of the body where hair is shaved or plucked, especially areas where hair is curly and the skin is sensitive, such as
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This is especially a problem for some men who have naturally coarse or tightly curling thick hair. Curly hair increases the likelihood of PFB by a factor of 50. If left untreated over time, this can cause
1351: 209:, a related condition, occurs on the back of the neck, often along the posterior hairline, when curved hairs are cut short and allowed to grow back into the skin. Left untreated, this can develop into 191:
is a lesser condition caused by shaving, characterized by mild to moderate redness and irritation on the surface of the skin. Unlike PFB, it is usually transient and there is no infection involved.
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shaving habits, using topical creams or ointments, and undergoing laser hair removal. Prevention measures include proper shaving techniques, using sharp razors, and avoiding too close a shave.
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Winter, H.; Schissel, D.; Parry, D. A. D.; Smith, T. A.; Liovic, M.; Birgitte Lane, E.; Edler, L.; Langbein, L.; Jave-Suarez, L. F.; Rogers, M. A.; Wilde, J.; Peters, G.; Schweizer, J. (2004).
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upheld the Atlanta fire department's "no-beard" policy because it was justified by a "business necessity", in that case the fact that even short beards interfered with firefighters' use of
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Cook-Bolden FE, Barba A, Halder R, Taylor S (June 2004). "Twice-daily applications of benzoyl peroxide 5%/clindamycin 1% gel versus vehicle in the treatment of pseudofolliculitis barbae".
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For most cases, completely avoiding shaving for three to four weeks allows all lesions to subside, and most extrafollicular hairs will resolve themselves within at least ten days.
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hair never exits the follicle, but because of its naturally curly nature curls back into the follicle, causing fluid build-up and irritation.
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for darker-pigmented individuals. Laser therapy for PFC requires typically requires at least six treatments spaced 4–6 weeks apart.
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After a hair has been shaved, it begins to grow back. Curly hair tends to curl into the skin instead of straight out of the
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Yamauchi, Paul S; Lask, Gary P; Kelly, A Paul (1999). "Treatment of pseudofolliculitis barbae with the diode laser".
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washcloth for five minutes or shave while showering in hot water can be helpful. Some use shaving powders (a kind of
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peels are also effective. Prescription antibiotic gels (Benzamycin, Cleocin-T) or oral antibiotics are also used.
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Barber's itch, folliculitis barbae traumatica, razor bumps, scarring pseudofolliculitis of the beard, shave bumps
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by excluding a quarter of black men from employment, but not an equivalent number of white men, thus violating
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The simplest treatment for PFB is to let the beard grow. Complete removal of the hair from its follicle (
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Florida, Daryl A.; Michel, Dovena; Eraikhuemen, Nathaniel E.; Carrion, Antonio J. (October 14, 2016).
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separating the inner and outer root sheath and increases the chances that a beard hair will in-grow.
1329: 1189: 629: 3611: 3595: 3409: 3267: 2130: 1776: 1713: 1608: 1266: 309:. Carriers of the A12T polymorphism are six times more likely to develop PFB compared with people 3758: 3711: 3589: 3522: 3355: 3039: 2988: 2784: 2706: 2395: 2090: 1809: 1781: 1411: 3606: 3300: 3217: 3135: 3125: 2912: 2907: 2661: 2370: 2282: 1598: 898: 361:) is not recommended. Severe or transfollicular hairs may require removal by a dermatologist. 280: 210: 1306: 511: 3776: 3691: 3554: 3507: 3447: 3350: 3237: 3000: 2872: 2751: 2606: 2272: 2199: 1887: 1421: 1401: 438: 358: 168: 890: 367:
Medications may also be prescribed to speed healing of the skin. Clinical trials have shown
3659: 3600: 3362: 2867: 2849: 2844: 2804: 2477: 1618: 1416: 1391: 833:"Close Shave for a Keratin Disorder-K6hf Polymorphism Linked to Pseudofolliculitis Barbae" 8: 3641: 3630: 3543: 3497: 3472: 3390: 3173: 2922: 2839: 2818: 2726: 2721: 2621: 2340: 2277: 2252: 2226: 2080: 2058: 1653: 1613: 1533: 1523: 1255: 663: 628:. Department of the Army. 10 December 2014. Technical Bulletin TB MED 287. Archived from 581:"Pseudofolliculitis barbae in the military. A medical, administrative and social problem" 342: 318: 889:
Halder, RM; CI Roberts; PK Nootheti; AP Kelly (2006). "Dermatologic Disease in Blacks".
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Permanent removal of the hair follicle is the only definitive treatment for PFB.
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by glycolic acid, which results in reduced re-entry of the hair shaft into the
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hair is a hair that has exited the follicle and reentered the skin. The
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may be used topically, combined or not with prescription antibiotics.
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has proven effective and can last for years. Laser therapies utilize
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K6hf sequence. This suggests K6hf mutation structurally weakens the
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Pseudofolliculitis barbae can further be divided into two types of
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Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007).
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gene (K6hf) has been linked to PFB, suggesting that it may be a
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Roberts, W. E. (2004). "Chemical peeling in ethnic/dark skin".
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is effective but limited by its slow pace, pain, and expense.
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Some men use electric razors to prevent PFB. Those who use a
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Pseudofolliculitis of the beard and Acne Keloidalis Nuchae
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Dermatology and dermatological therapy of pigmented skins
461:'s policy of not allowing beards for employees created a 111: 93: 87: 746: 687:"Pseudofolliculitis barbae; current treatment options" 793:"Pseudofolliculitis Barbae: Prevention and Treatment" 114: 90: 81: 75: 60: 1218: 128: 122: 108: 102: 84: 69: 119: 99: 691:Clinical, Cosmetic and Investigational Dermatology 253:can form especially if the area becomes infected. 3453:Disseminate and recurrent infundibulofolliculitis 1360:Diseases of the skin and appendages by morphology 1141:"Advances in laser hair removal in skin of color" 1095: 3793: 2440: 2557:Congenital onychodysplasia of the index fingers 994: 786: 784: 578: 3463:Erythromelanosis follicularis faciei et colli 2426: 1845:Pityriasis lichenoides et varioliformis acuta 1345: 897:. Boca Raton: Taylor & Francis. pp.  884: 882: 880: 878: 876: 874: 872: 870: 868: 826: 824: 822: 268:: transfollicular and extrafollicular. The 1499:Dermatofibroma (benign fibrous histiocytoma) 742: 740: 572: 509: 345:) to avoid the irritation of using a blade. 915: 781: 585:Journal of the National Medical Association 329:The most efficient prevention is to grow a 2433: 2419: 1352: 1338: 865: 819: 503: 44:A severe case of Pseudofolliculitis barbae 35: 1012: 848: 764: 737: 720: 702: 596: 467:Title VII of the Civil Rights Act of 1964 445:include erythema and skin discoloration. 3458:Erosive pustular dermatosis of the scalp 2878:Central centrifugal cicatricial alopecia 684: 510:Edwards, Libby; Lynch, Peter J. (2022). 1177: 921: 579:Alexander, A. M.; Delph, W. I. (1974). 530: 3794: 3438:Acrokeratosis paraneoplastica of Bazex 2152:Disseminated intravascular coagulation 1138: 830: 645: 408: 2414: 1333: 1132: 183: 178: 3478:Intermittent hair–follicle dystrophy 1185:Bradley v. Pizzaco of Nebraska, Inc. 1055:Journal of Investigative Dermatology 837:Journal of Investigative Dermatology 753:Journal of Investigative Dermatology 664:10.1001/archderm.1975.01630130132022 437:(1064 nm) lasers. Nd:YAG lasers are 3415:Recurrent palmoplantar hidradenitis 3296:Idiopathic facial aseptic granuloma 2933:Marie Unna hereditary hypotrichosis 13: 3156:Lupus miliaris disseminatus faciei 2903:Dissecting cellulitis of the scalp 1977: 1934:Postinflammatory hyperpigmentation 1104:(2). Informa UK Limited: 109–111. 1098:Journal of Cutaneous Laser Therapy 475:self-contained breathing apparatus 213:, a condition in which hard, dark 14: 3813: 3802:Conditions of the skin appendages 3420:Neutrophilic eccrine hidradenitis 3179:Granulomatous perioral dermatitis 1835:Transient acantholytic dermatosis 1214: 646:Garcia, Raymond L. (1975-01-01). 471:Eleventh Circuit Court of Appeals 194:There is also a condition called 1944:Idiopathic guttate hypomelanosis 1014:10.1111/j.1396-0296.2004.04016.x 936:10.1111/j.1396-0296.2004.04020.x 850:10.1111/j.0022-202X.2004.22351.x 766:10.1111/j.0022-202X.2004.22309.x 685:Ogunbiyi, Adebola (2019-04-16). 175:It was first described in 1956. 56: 3580:Traumatic anserine folliculosis 3291:Granulomatous facial dermatitis 1954:Hypopigmented mycosis fungoides 1195: 1145:Journal of Drugs in Dermatology 1007:(2). Hindawi Limited: 158–163. 995:Bridgeman-Shah, Sharon (2004). 958: 455:Eighth Circuit Court of Appeals 2602:Malalignment of the nail plate 2195:Lichen sclerosis et atrophicus 1903:Subcorneal pustular dermatosis 1529:Infantile digital fibromatosis 1202:Fitzpatrick v. City of Atlanta 1192:, 714 (8th Cir. 1991). 678: 639: 613: 555: 230:shaving (more properly termed 1: 3228:Erythrotelangiectatic rosacea 1787:Epidermolysis bullosa simplex 1624:Langerhans cell histiocytosis 497: 324: 3483:Keratosis pilaris atropicans 3386:Folliculitis nares perforans 2263:Systemic lupus erythematosus 2018:Systemic lupus erythematosus 1709:Systemic lupus erythematosus 1067:10.1111/1523-1747.ep12277339 567:Dorland's Medical Dictionary 492:List of cutaneous conditions 469:. In contrast, in 1993, the 352: 261:scarring in the beard area. 7: 3253:Persistent edema of rosacea 1544:Lymphangioma circumscriptum 1139:Battle, Eliot F Jr (2011). 562:"pseudofolliculitis barbae" 480: 419:Laser-assisted hair removal 10: 3818: 3685:Postmiliarial hypohidrosis 3513:Menkes kinky hair syndrome 2928:Frontal fibrosing alopecia 2737:Staining of the nail plate 2597:Longitudinal erythronychia 2592:Lichen planus of the nails 2366:Mucous membrane pemphigoid 648:"Pseudofolliculitis Pubis" 513:Genital Dermatology Manual 3767: 3739: 3640: 3629: 3570:Rubinstein–Taybi syndrome 3430: 3398:Pseudofolliculitis barbae 3371: 3318: 3283: 3164: 3020: 3009: 2941: 2769: 2760: 2697:Pterygium inversum unguis 2449: 2329: 2296: 2240: 2225: 2216: 2173: 2144: 2123: 2114: 2067: 2026: 1995: 1984: 1966: 1911: 1853: 1795: 1732: 1652: 1581: 1570: 1561: 1476: 1440: 1372: 1365: 1292: 1222: 1110:10.1080/14628839950516959 1061:(1). Elsevier BV: 28–32. 831:McLean, W. H. I. (2004). 539:Dermatology: 2-Volume Set 206:Pseudofolliculitis nuchae 161:Pseudofolliculitis barbae 146: 48: 43: 34: 26: 22:Pseudofolliculitis barbae 21: 3612:Uncombable hair syndrome 3596:Trichorrhexis invaginata 3410:Hidradenitis suppurativa 3268:Periorificial dermatitis 2131:Thrombocytopenic purpura 1777:Dermatitis herpetiformis 1762:Acute contact dermatitis 1714:Pityriasis rubra pilaris 1639:Wiskott–Aldrich syndrome 1609:Lichen simplex chronicus 1489:Epidermal inclusion cyst 448: 232:pseudofolliculitis pubis 220: 3590:Trichomycosis axillaris 3523:Parakeratosis pustulosa 3040:Acne miliaris necrotica 2821:(male-pattern baldness) 2785:noncicatricial alopecia 2707:Purpura of the nail bed 2396:Squamous-cell carcinoma 2391:Systemic histoplasmosis 1782:Porphyria cutanea tarda 1412:Squamous-cell carcinoma 652:Archives of Dermatology 3607:Trichostasis spinulosa 3301:Periorbital dermatitis 3218:Papulopustular rosacea 3136:Acne with facial edema 3126:Acne keloidalis nuchae 2913:Folliculitis decalvans 2908:Graham-Little syndrome 2662:Onychoptosis defluvium 2371:Cicatricial pemphigoid 2288:Acne keloidalis nuchae 2283:Folliculitis decalvans 211:acne keloidalis nuchae 3777:Sebaceous hyperplasia 3692:Granulosis rubra nasi 3555:Pityriasis amiantacea 3508:Loose anagen syndrome 3448:Bubble hair deformity 3238:Gram-negative rosacea 3001:Nevoid hypertrichosis 2873:Pseudopelade of Brocq 2752:Twenty-nail dystrophy 2627:Nail–patella syndrome 2607:Median nail dystrophy 2273:Loose anagen syndrome 2200:Necrobiosis lipoidica 2136:Actinic/solar purpura 1810:Insect bite reactions 1599:Seborrheic dermatitis 1422:Merkel-cell carcinoma 1402:Molluscum contagiosum 169:irritant folliculitis 3660:Miliaria crystalline 3601:Trichorrhexis nodosa 2868:cicatricial alopecia 2850:Alopecia neoplastica 2845:Trichorrhexis nodosa 2478:Yellow nail syndrome 2096:Annulare centrifugum 1619:Glucagonoma syndrome 1417:Basal-cell carcinoma 1392:Seborrheic keratosis 1001:Dermatologic Therapy 924:Dermatologic Therapy 704:10.2147/CCID.S149250 541:. St. Louis: Mosby. 3759:Fox–Fordyce disease 3544:Pili pseudoannulati 3498:Lichen planopilaris 3473:Hair follicle nevus 3391:Tufted folliculitis 3174:Perioral dermatitis 2923:Triangular alopecia 2840:Lichen planopilaris 2819:Androgenic alopecia 2727:Splinter hemorrhage 2722:Shell nail syndrome 2567:Half and half nails 2341:Aphthous stomatitis 2278:Lichen planopilaris 2253:Androgenic alopecia 2059:Fixed drug eruption 1634:Pemphigus foliaceus 1534:Granular cell tumor 591:(6): 459–464, 479. 409:Long-term therapies 343:chemical depilatory 3680:Occlusion miliaria 3670:Miliaria pustulosa 3560:Plica neuropathica 3258:Rosacea conglobata 3069:Acne medicamentosa 2888:Traumatic alopecia 2742:Subungual hematoma 2361:Pemphigus vulgaris 2190:Granuloma annulare 2054:Carcinoid syndrome 1939:Tuberous sclerosis 1898:Coccidioidomycosis 1772:Bullous pemphigoid 1767:Pemphigus vulgaris 1699:Secondary syphilis 1589:Contact dermatitis 1293:External resources 973:(6 Suppl): 18–24. 487:Laser hair removal 184:Related conditions 179:Signs and symptoms 3789: 3788: 3785: 3784: 3665:Miliaria profunda 3625: 3624: 3617:Woolly hair nevus 3503:Lichen spinulosus 3341:Trichilemmal cyst 3314: 3313: 3233:Glandular rosacea 3186:Phymatous rosacea 3116:Occupational acne 2898:Hot comb alopecia 2883:Pressure alopecia 2860:Alopecia mucinosa 2835:Traction alopecia 2830:Telogen effluvium 2408: 2407: 2404: 2403: 2248:Telogen effluvium 2212: 2211: 2208: 2207: 2169: 2168: 2165: 2164: 2110: 2109: 1962: 1961: 1830:Lichen spinulosus 1825:Keratosis pilaris 1704:Mycosis fungoides 1604:Stasis dermatitis 1594:Atopic dermatitis 1557: 1556: 1432:Trichoepithelioma 1407:Actinic keratosis 1327: 1326: 1208:(11th Cir. 1993). 1151:(11): 1235–1239. 548:978-1-4160-2999-1 523:978-1-9751-6147-7 433:(800–810 nm) and 245:. These inflamed 158: 157: 16:Medical condition 3809: 3638: 3637: 3575:Setleis syndrome 3539:Pili multigemini 3273:Pyoderma faciale 3018: 3017: 2855:Anagen effluvium 2767: 2766: 2702:Pterygium unguis 2622:Muehrcke's lines 2509:Onychotillomania 2435: 2428: 2421: 2412: 2411: 2346:Oral candidiasis 2223: 2222: 2121: 2120: 2049:Erythema nodosum 1993: 1992: 1982: 1981: 1975: 1974: 1919:Tinea versicolor 1757:Bullous impetigo 1694:Pityriasis rosea 1629:Lichen sclerosus 1614:Darier's disease 1579: 1578: 1568: 1567: 1524:Kaposi's sarcoma 1370: 1369: 1354: 1347: 1340: 1331: 1330: 1220: 1219: 1209: 1199: 1193: 1187: 1181: 1175: 1174: 1172: 1171: 1136: 1130: 1129: 1093: 1087: 1086: 1049: 1043: 1042: 1016: 992: 983: 982: 962: 956: 955: 919: 913: 912: 896: 886: 863: 862: 852: 828: 817: 816: 814: 813: 788: 779: 778: 768: 744: 735: 734: 724: 706: 682: 676: 675: 643: 637: 636: 635:on 27 July 2018. 634: 627: 617: 611: 610: 600: 576: 570: 559: 553: 552: 534: 528: 527: 507: 463:disparate impact 398:Benzoyl peroxide 138: 137: 134: 133: 130: 127: 124: 121: 117: 116: 113: 110: 107: 104: 101: 98: 95: 92: 89: 86: 83: 80: 77: 74: 71: 68: 65: 62: 39: 19: 18: 3817: 3816: 3812: 3811: 3810: 3808: 3807: 3806: 3792: 3791: 3790: 3781: 3763: 3735: 3632: 3621: 3594:Trichorrhexis ( 3426: 3367: 3336:Epidermoid cyst 3310: 3279: 3243:Steroid rosacea 3160: 3121:Acne aestivalis 3059:Excoriated acne 3035:Acne conglobata 3012: 3005: 2937: 2774: 2756: 2732:Spotted lunulae 2692:Psoriatic nails 2647:Onychomatricoma 2460:Onychogryphosis 2445: 2443:skin appendages 2439: 2409: 2400: 2332: 2325: 2292: 2258:Alopecia areata 2236: 2218: 2204: 2161: 2140: 2116: 2106: 2063: 2022: 2008:Viral exanthems 1986: 1970: 1968: 1958: 1929:Pityriasis alba 1907: 1849: 1791: 1728: 1648: 1644:Zinc deficiency 1574: 1572: 1553: 1481: 1472: 1436: 1427:Nevus sebaceous 1361: 1358: 1328: 1323: 1322: 1288: 1287: 1231: 1217: 1212: 1200: 1196: 1183: 1182: 1178: 1169: 1167: 1137: 1133: 1094: 1090: 1050: 1046: 993: 986: 963: 959: 920: 916: 909: 887: 866: 829: 820: 811: 809: 798:U.S. Pharmacist 789: 782: 745: 738: 683: 679: 644: 640: 632: 625: 619: 618: 614: 577: 573: 560: 556: 549: 535: 531: 524: 508: 504: 500: 483: 451: 411: 386:follicular wall 378:sulfhydrylbonds 355: 327: 319:companion layer 274:transfollicular 270:extrafollicular 223: 186: 181: 167:) is a type of 142: 118: 59: 55: 17: 12: 11: 5: 3815: 3805: 3804: 3787: 3786: 3783: 3782: 3780: 3779: 3773: 3771: 3765: 3764: 3762: 3761: 3756: 3751: 3745: 3743: 3737: 3736: 3734: 3733: 3732: 3731: 3721: 3720: 3719: 3714: 3709: 3699: 3697:Ross' syndrome 3694: 3689: 3688: 3687: 3682: 3677: 3675:Miliaria rubra 3672: 3667: 3662: 3657: 3655:Colloid milium 3646: 3644: 3635: 3627: 3626: 3623: 3622: 3620: 3619: 3614: 3609: 3604: 3598: 3592: 3587: 3582: 3577: 3572: 3567: 3562: 3557: 3552: 3546: 3541: 3536: 3534:Pili bifurcati 3531: 3525: 3520: 3515: 3510: 3505: 3500: 3495: 3493:Koenen's tumor 3490: 3485: 3480: 3475: 3470: 3465: 3460: 3455: 3450: 3445: 3443:Acroosteolysis 3440: 3434: 3432: 3428: 3427: 3425: 3424: 3423: 3422: 3417: 3412: 3401: 3400: 3395: 3394: 3393: 3388: 3377: 3375: 3369: 3368: 3366: 3365: 3360: 3359: 3358: 3353: 3347:Steatocystoma 3345: 3344: 3343: 3338: 3330:Sebaceous cyst 3325: 3323: 3316: 3315: 3312: 3311: 3309: 3308: 3306:SAPHO syndrome 3303: 3298: 3293: 3287: 3285: 3281: 3280: 3278: 3277: 3276: 3275: 3270: 3260: 3255: 3250: 3248:Ocular rosacea 3245: 3240: 3235: 3230: 3225: 3223:Lupoid rosacea 3220: 3215: 3214: 3213: 3208: 3203: 3198: 3193: 3183: 3182: 3181: 3170: 3168: 3162: 3161: 3159: 3158: 3153: 3148: 3146:Acne necrotica 3143: 3138: 3133: 3131:Acne mechanica 3128: 3123: 3118: 3113: 3111:Acne cosmetica 3108: 3103: 3098: 3097: 3096: 3091: 3086: 3076: 3066: 3064:Acne fulminans 3061: 3056: 3050:Infantile acne 3047: 3042: 3037: 3032: 3026: 3024: 3015: 3007: 3006: 3004: 3003: 2998: 2993: 2992: 2991: 2986: 2981: 2973: 2972: 2971: 2966: 2961: 2953: 2947: 2945: 2943:Hypertrichosis 2939: 2938: 2936: 2935: 2930: 2925: 2916: 2915: 2910: 2905: 2900: 2895: 2893:Tumor alopecia 2890: 2885: 2880: 2875: 2863: 2862: 2857: 2852: 2847: 2842: 2837: 2832: 2827: 2822: 2815: 2814: 2813: 2812: 2807: 2802: 2797: 2780: 2778: 2764: 2758: 2757: 2755: 2754: 2749: 2744: 2739: 2734: 2729: 2724: 2719: 2714: 2709: 2704: 2699: 2694: 2689: 2687:Plummer's nail 2684: 2679: 2674: 2669: 2664: 2659: 2654: 2649: 2644: 2639: 2634: 2629: 2624: 2619: 2614: 2609: 2604: 2599: 2594: 2589: 2584: 2579: 2574: 2569: 2564: 2559: 2554: 2549: 2548: 2547: 2542: 2530: 2529: 2524: 2517: 2516: 2511: 2504: 2503: 2498: 2491: 2490: 2485: 2480: 2475: 2468: 2467: 2462: 2455: 2453: 2447: 2446: 2438: 2437: 2430: 2423: 2415: 2406: 2405: 2402: 2401: 2399: 2398: 2393: 2388: 2383: 2381:Coxsackievirus 2378: 2373: 2368: 2363: 2358: 2353: 2348: 2343: 2337: 2335: 2327: 2326: 2324: 2323: 2318: 2313: 2308: 2302: 2300: 2294: 2293: 2291: 2290: 2285: 2280: 2275: 2270: 2265: 2260: 2255: 2250: 2244: 2242: 2238: 2237: 2235: 2234: 2231: 2229: 2220: 2214: 2213: 2210: 2209: 2206: 2205: 2203: 2202: 2197: 2192: 2187: 2177: 2175: 2171: 2170: 2167: 2166: 2163: 2162: 2160: 2159: 2154: 2148: 2146: 2142: 2141: 2139: 2138: 2133: 2127: 2125: 2118: 2112: 2111: 2108: 2107: 2105: 2104: 2098: 2093: 2091:Gyratum repens 2088: 2083: 2077: 2071: 2069: 2065: 2064: 2062: 2061: 2056: 2051: 2046: 2041: 2036: 2030: 2028: 2024: 2023: 2021: 2020: 2015: 2013:Toxic erythema 2010: 2005: 2003:Drug eruptions 1999: 1997: 1990: 1979: 1972: 1964: 1963: 1960: 1959: 1957: 1956: 1951: 1946: 1941: 1936: 1931: 1926: 1921: 1915: 1913: 1909: 1908: 1906: 1905: 1900: 1895: 1890: 1885: 1880: 1875: 1870: 1865: 1859: 1857: 1851: 1850: 1848: 1847: 1842: 1840:Lichen nitidus 1837: 1832: 1827: 1822: 1817: 1812: 1807: 1801: 1799: 1793: 1792: 1790: 1789: 1784: 1779: 1774: 1769: 1764: 1759: 1754: 1749: 1744: 1742:Herpes simplex 1738: 1736: 1730: 1729: 1727: 1726: 1721: 1716: 1711: 1706: 1701: 1696: 1691: 1685: 1680: 1675: 1670: 1664: 1658: 1656: 1650: 1649: 1647: 1646: 1641: 1636: 1631: 1626: 1621: 1616: 1611: 1606: 1601: 1596: 1591: 1585: 1583: 1576: 1565: 1559: 1558: 1555: 1554: 1552: 1551: 1546: 1541: 1536: 1531: 1526: 1521: 1516: 1511: 1506: 1501: 1496: 1491: 1485: 1483: 1474: 1473: 1471: 1470: 1465: 1460: 1455: 1450: 1444: 1442: 1438: 1437: 1435: 1434: 1429: 1424: 1419: 1414: 1409: 1404: 1399: 1394: 1389: 1384: 1378: 1376: 1367: 1363: 1362: 1357: 1356: 1349: 1342: 1334: 1325: 1324: 1321: 1320: 1309: 1297: 1296: 1294: 1290: 1289: 1286: 1285: 1274: 1263: 1248: 1232: 1227: 1226: 1224: 1223:Classification 1216: 1215:External links 1213: 1211: 1210: 1194: 1176: 1131: 1088: 1044: 984: 957: 930:(2): 196–205. 914: 907: 864: 843:(3): xi–xiii. 818: 780: 759:(3): 652–657. 736: 677: 638: 612: 571: 554: 547: 529: 522: 501: 499: 496: 495: 494: 489: 482: 479: 459:Domino's Pizza 450: 447: 410: 407: 394:Salicylic acid 354: 351: 347:Barium sulfide 326: 323: 222: 219: 185: 182: 180: 177: 156: 155: 150: 144: 143: 141: 140: 52: 50: 46: 45: 41: 40: 32: 31: 28: 24: 23: 15: 9: 6: 4: 3: 2: 3814: 3803: 3800: 3799: 3797: 3778: 3775: 3774: 3772: 3770: 3766: 3760: 3757: 3755: 3754:Chromhidrosis 3752: 3750: 3747: 3746: 3744: 3742: 3738: 3730: 3727: 3726: 3725: 3722: 3718: 3715: 3713: 3710: 3708: 3705: 3704: 3703: 3702:Hyperhidrosis 3700: 3698: 3695: 3693: 3690: 3686: 3683: 3681: 3678: 3676: 3673: 3671: 3668: 3666: 3663: 3661: 3658: 3656: 3653: 3652: 3651: 3648: 3647: 3645: 3643: 3639: 3636: 3634: 3628: 3618: 3615: 3613: 3610: 3608: 3605: 3602: 3599: 3597: 3593: 3591: 3588: 3586: 3583: 3581: 3578: 3576: 3573: 3571: 3568: 3566: 3563: 3561: 3558: 3556: 3553: 3550: 3547: 3545: 3542: 3540: 3537: 3535: 3532: 3530: 3529:Pili annulati 3526: 3524: 3521: 3519: 3516: 3514: 3511: 3509: 3506: 3504: 3501: 3499: 3496: 3494: 3491: 3489: 3486: 3484: 3481: 3479: 3476: 3474: 3471: 3469: 3466: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3444: 3441: 3439: 3436: 3435: 3433: 3429: 3421: 3418: 3416: 3413: 3411: 3408: 3407: 3406: 3403: 3402: 3399: 3396: 3392: 3389: 3387: 3384: 3383: 3382: 3379: 3378: 3376: 3374: 3370: 3364: 3361: 3357: 3354: 3352: 3349: 3348: 3346: 3342: 3339: 3337: 3334: 3333: 3331: 3327: 3326: 3324: 3322: 3317: 3307: 3304: 3302: 3299: 3297: 3294: 3292: 3289: 3288: 3286: 3282: 3274: 3271: 3269: 3266: 3265: 3264: 3261: 3259: 3256: 3254: 3251: 3249: 3246: 3244: 3241: 3239: 3236: 3234: 3231: 3229: 3226: 3224: 3221: 3219: 3216: 3212: 3209: 3207: 3204: 3202: 3199: 3197: 3196:Blepharophyma 3194: 3192: 3189: 3188: 3187: 3184: 3180: 3177: 3176: 3175: 3172: 3171: 3169: 3167: 3163: 3157: 3154: 3152: 3149: 3147: 3144: 3142: 3139: 3137: 3134: 3132: 3129: 3127: 3124: 3122: 3119: 3117: 3114: 3112: 3109: 3107: 3104: 3102: 3099: 3095: 3092: 3090: 3087: 3085: 3082: 3081: 3080: 3077: 3074: 3070: 3067: 3065: 3062: 3060: 3057: 3055: 3054:Neonatal acne 3051: 3048: 3046: 3045:Tropical acne 3043: 3041: 3038: 3036: 3033: 3031: 3030:Acne vulgaris 3028: 3027: 3025: 3023: 3019: 3016: 3014: 3008: 3002: 2999: 2997: 2994: 2990: 2987: 2985: 2982: 2980: 2977: 2976: 2974: 2970: 2967: 2965: 2962: 2960: 2957: 2956: 2954: 2952: 2949: 2948: 2946: 2944: 2940: 2934: 2931: 2929: 2926: 2924: 2921: 2918: 2917: 2914: 2911: 2909: 2906: 2904: 2901: 2899: 2896: 2894: 2891: 2889: 2886: 2884: 2881: 2879: 2876: 2874: 2871: 2869: 2865: 2864: 2861: 2858: 2856: 2853: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2833: 2831: 2828: 2826: 2825:Hypotrichosis 2823: 2820: 2817: 2816: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2792: 2791: 2788: 2786: 2782: 2781: 2779: 2777: 2772: 2768: 2765: 2763: 2759: 2753: 2750: 2748: 2747:Terry's nails 2745: 2743: 2740: 2738: 2735: 2733: 2730: 2728: 2725: 2723: 2720: 2718: 2715: 2713: 2710: 2708: 2705: 2703: 2700: 2698: 2695: 2693: 2690: 2688: 2685: 2683: 2680: 2678: 2675: 2673: 2672:Onychoschizia 2670: 2668: 2667:Onychorrhexis 2665: 2663: 2660: 2658: 2655: 2653: 2652:Onychomycosis 2650: 2648: 2645: 2643: 2642:Onychomadesis 2640: 2638: 2635: 2633: 2632:Onychoatrophy 2630: 2628: 2625: 2623: 2620: 2618: 2615: 2613: 2610: 2608: 2605: 2603: 2600: 2598: 2595: 2593: 2590: 2588: 2585: 2583: 2580: 2578: 2575: 2573: 2570: 2568: 2565: 2563: 2560: 2558: 2555: 2553: 2550: 2546: 2543: 2541: 2538: 2537: 2536: 2532: 2531: 2528: 2525: 2523: 2519: 2518: 2515: 2512: 2510: 2506: 2505: 2502: 2501:Nail clubbing 2499: 2497: 2493: 2492: 2489: 2486: 2484: 2481: 2479: 2476: 2474: 2470: 2469: 2466: 2463: 2461: 2457: 2456: 2454: 2452: 2448: 2444: 2441:Disorders of 2436: 2431: 2429: 2424: 2422: 2417: 2416: 2413: 2397: 2394: 2392: 2389: 2387: 2384: 2382: 2379: 2377: 2374: 2372: 2369: 2367: 2364: 2362: 2359: 2357: 2354: 2352: 2351:Lichen planus 2349: 2347: 2344: 2342: 2339: 2338: 2336: 2334: 2328: 2322: 2319: 2317: 2314: 2312: 2309: 2307: 2306:Onychomycosis 2304: 2303: 2301: 2299: 2295: 2289: 2286: 2284: 2281: 2279: 2276: 2274: 2271: 2269: 2268:Tinea capitis 2266: 2264: 2261: 2259: 2256: 2254: 2251: 2249: 2246: 2245: 2243: 2239: 2233: 2232: 2230: 2228: 2224: 2221: 2217:Miscellaneous 2215: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2182: 2179: 2178: 2176: 2172: 2158: 2155: 2153: 2150: 2149: 2147: 2143: 2137: 2134: 2132: 2129: 2128: 2126: 2122: 2119: 2115:Nonblanchable 2113: 2102: 2099: 2097: 2094: 2092: 2089: 2087: 2084: 2082: 2078: 2076: 2073: 2072: 2070: 2066: 2060: 2057: 2055: 2052: 2050: 2047: 2045: 2042: 2040: 2037: 2035: 2032: 2031: 2029: 2025: 2019: 2016: 2014: 2011: 2009: 2006: 2004: 2001: 2000: 1998: 1994: 1991: 1989: 1983: 1980: 1976: 1973: 1965: 1955: 1952: 1950: 1947: 1945: 1942: 1940: 1937: 1935: 1932: 1930: 1927: 1925: 1922: 1920: 1917: 1916: 1914: 1912:Hypopigmented 1910: 1904: 1901: 1899: 1896: 1894: 1891: 1889: 1886: 1884: 1881: 1879: 1876: 1874: 1871: 1869: 1866: 1864: 1863:Acne vulgaris 1861: 1860: 1858: 1856: 1852: 1846: 1843: 1841: 1838: 1836: 1833: 1831: 1828: 1826: 1823: 1821: 1818: 1816: 1815:Lichen planus 1813: 1811: 1808: 1806: 1803: 1802: 1800: 1798: 1794: 1788: 1785: 1783: 1780: 1778: 1775: 1773: 1770: 1768: 1765: 1763: 1760: 1758: 1755: 1753: 1750: 1748: 1747:Herpes zoster 1745: 1743: 1740: 1739: 1737: 1735: 1731: 1725: 1722: 1720: 1719:Parapsoriasis 1717: 1715: 1712: 1710: 1707: 1705: 1702: 1700: 1697: 1695: 1692: 1689: 1686: 1684: 1681: 1679: 1676: 1674: 1671: 1669: 1665: 1663: 1660: 1659: 1657: 1655: 1651: 1645: 1642: 1640: 1637: 1635: 1632: 1630: 1627: 1625: 1622: 1620: 1617: 1615: 1612: 1610: 1607: 1605: 1602: 1600: 1597: 1595: 1592: 1590: 1587: 1586: 1584: 1580: 1577: 1569: 1566: 1564: 1560: 1550: 1547: 1545: 1542: 1540: 1537: 1535: 1532: 1530: 1527: 1525: 1522: 1520: 1517: 1515: 1512: 1510: 1507: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1487: 1486: 1484: 1479: 1475: 1469: 1466: 1464: 1461: 1459: 1456: 1454: 1451: 1449: 1446: 1445: 1443: 1439: 1433: 1430: 1428: 1425: 1423: 1420: 1418: 1415: 1413: 1410: 1408: 1405: 1403: 1400: 1398: 1395: 1393: 1390: 1388: 1385: 1383: 1380: 1379: 1377: 1375: 1371: 1368: 1364: 1355: 1350: 1348: 1343: 1341: 1336: 1335: 1332: 1319: 1315: 1314: 1310: 1308: 1304: 1303: 1299: 1298: 1295: 1291: 1284: 1280: 1279: 1275: 1273: 1269: 1268: 1264: 1262: 1258: 1257: 1253: 1249: 1247: 1243: 1242: 1238: 1234: 1233: 1230: 1225: 1221: 1207: 1203: 1198: 1191: 1190:926 F. 2d 1186: 1180: 1166: 1162: 1158: 1154: 1150: 1146: 1142: 1135: 1127: 1123: 1119: 1115: 1111: 1107: 1103: 1099: 1092: 1084: 1080: 1076: 1072: 1068: 1064: 1060: 1056: 1048: 1040: 1036: 1032: 1028: 1024: 1020: 1015: 1010: 1006: 1002: 998: 991: 989: 980: 976: 972: 968: 961: 953: 949: 945: 941: 937: 933: 929: 925: 918: 910: 908:9780849314025 904: 900: 895: 894: 885: 883: 881: 879: 877: 875: 873: 871: 869: 860: 856: 851: 846: 842: 838: 834: 827: 825: 823: 808: 804: 800: 799: 794: 787: 785: 776: 772: 767: 762: 758: 754: 750: 743: 741: 732: 728: 723: 718: 714: 710: 705: 700: 696: 692: 688: 681: 673: 669: 665: 661: 657: 653: 649: 642: 631: 624: 623: 616: 608: 604: 599: 594: 590: 586: 582: 575: 569: 568: 563: 558: 550: 544: 540: 533: 525: 519: 515: 514: 506: 502: 493: 490: 488: 485: 484: 478: 476: 472: 468: 464: 460: 456: 453:In 1991, the 446: 444: 440: 436: 432: 428: 424: 420: 416: 406: 403: 399: 395: 391: 387: 383: 379: 374: 370: 369:glycolic acid 365: 362: 360: 350: 348: 344: 339: 334: 332: 322: 320: 316: 312: 308: 304: 300: 297: 293: 290: 286: 282: 277: 275: 271: 267: 266:ingrown hairs 262: 260: 254: 252: 248: 244: 240: 235: 233: 229: 218: 216: 212: 208: 207: 202: 200: 198: 192: 190: 176: 173: 170: 166: 162: 154: 151: 149: 145: 136: 54: 53: 51: 49:Pronunciation 47: 42: 38: 33: 29: 25: 20: 3724:Hypohidrosis 3717:Palmoplantar 3585:Trichomegaly 3488:Kinking hair 3405:Hidradenitis 3397: 3381:Folliculitis 3373:Inflammation 3262: 3079:Halogen acne 3073:steroid acne 2919: 2866: 2783: 2712:Racquet nail 2682:Pincer nails 2657:Onychophosis 2617:Melanonychia 2587:Ingrown nail 2577:Hapalonychia 2552:Chevron nail 2522:Ingrown nail 2514:Onychophagia 2488:Azure lunula 2473:Beau's lines 2321:Ingrown nail 2287: 1893:Dermatophyte 1888:Gonococcemia 1873:Folliculitis 1514:Neurofibroma 1482:subcutaneous 1311: 1300: 1276: 1265: 1250: 1235: 1201: 1197: 1184: 1179: 1168:. Retrieved 1148: 1144: 1134: 1101: 1097: 1091: 1058: 1054: 1047: 1004: 1000: 970: 966: 960: 927: 923: 917: 892: 840: 836: 810:. Retrieved 796: 756: 752: 694: 690: 680: 655: 651: 641: 630:the original 621: 615: 588: 584: 574: 565: 557: 538: 532: 512: 505: 452: 443:Side effects 415:Electrolysis 412: 366: 363: 356: 335: 328: 305:of the K6hf 281:polymorphism 278: 273: 269: 263: 255: 236: 231: 224: 205: 204: 203: 197:folliculitis 195: 193: 187: 174: 164: 160: 159: 3707:Generalized 3518:Monilethrix 3319:Follicular 3201:Gnathophyma 3141:Pomade acne 2996:Prepubertal 2979:generalised 2975:Congenital 2964:generalised 2805:universalis 2717:Red lunulae 2677:Platonychia 2637:Onycholysis 2612:Mees' lines 2562:Green nails 2533:ungrouped: 2496:Koilonychia 2483:Leukonychia 2458:thickness: 2376:Herpesvirus 2356:Leukoplakia 2181:Scleroderma 2068:Specialized 1996:Generalized 1971:involvement 1883:Candidiasis 1575:involvement 1549:Myxoid cyst 1397:Acrochordon 1302:MedlinePlus 1206:2 F.3d 1112 697:: 241–247. 457:found that 301:initiation 292:risk factor 153:Dermatology 27:Other names 3729:Anhidrosis 3549:Pili torti 3468:Hair casts 3191:Rhinophyma 3089:Bromoderma 2920:ungrouped: 2535:Paronychia 2507:behavior: 2465:Onychauxis 2316:Paronychia 2157:Vasculitis 2081:Multiforme 2079:Erythema ( 2034:Cellulitis 1985:Blanchable 1734:Blistering 1724:Ichthyosis 1582:Eczematous 1494:Hemangioma 1278:DiseasesDB 1170:2023-03-07 812:2021-03-25 658:(1): 130. 498:References 427:stem cells 382:hair shaft 325:Prevention 311:homozygous 307:rod domain 189:Razor burn 3769:Sebaceous 3749:Body odor 3712:Gustatory 3431:Ungrouped 3356:multiplex 3284:Ungrouped 3206:Metophyma 3151:Blackhead 3094:Chloracne 3084:Iododerma 3011:Acneiform 2984:localised 2969:patterned 2959:localised 2955:Acquired 2951:Hirsutism 2771:Hair loss 2582:Hook nail 2527:Anonychia 2311:Psoriasis 2219:disorders 2174:Indurated 2075:Urticaria 2027:Localized 1969:epidermal 1752:Varicella 1662:Psoriasis 1573:epidermal 1539:Leiomyoma 1441:Pigmented 1374:Epidermal 1313:eMedicine 1157:1545-9616 1118:1462-883X 1075:0022-202X 1023:1396-0296 807:0147-7633 713:1178-7015 672:0003-987X 439:indicated 402:Tretinoin 390:epidermis 359:epilation 353:Treatment 315:wild-type 296:conserved 279:A common 234:or PFP). 148:Specialty 3796:Category 3741:Apocrine 3650:Miliaria 3565:Poliosis 3263:variants 3211:Otophyma 3106:Tar acne 3101:Oil acne 3013:eruption 2989:X-linked 2810:Ophiasis 2790:Alopecia 2776:Baldness 2572:Hangnail 2386:Syphilis 2333:membrane 1988:Erythema 1924:Vitiligo 1878:Impetigo 1855:Pustular 1820:Miliaria 1668:Corporis 1519:Xanthoma 1468:Melanoma 1448:Freckles 1318:derm/354 1165:22052301 1126:11357287 1039:20876126 1031:15113283 979:15228130 952:44991940 944:15113287 859:15086588 775:15086549 731:31354326 481:See also 313:for the 251:pustules 239:follicle 3642:Eccrine 3351:simplex 3166:Rosacea 3071:(e.g., 2800:totalis 2545:Chronic 2520:other: 2494:shape: 2471:color: 2185:morphea 2145:Papular 2124:Macular 2117:Purpura 2101:Ab igne 2086:Migrans 2039:Abscess 1967:Without 1949:Leprosy 1868:Rosacea 1805:Scabies 1797:Papular 1666:Tinea ( 1654:Scaling 1458:Melasma 1453:Lentigo 1366:Growths 1272:C563016 1083:2746004 722:6585396 607:4436875 598:2609333 423:melanin 380:in the 371:–based 289:genetic 285:keratin 247:papules 243:pimples 228:genital 3633:glands 3527:Pili ( 2795:areata 2331:Mucous 2227:Ulcers 1688:Faciei 1683:Manuum 1673:Cruris 1563:Rashes 1509:Lipoma 1504:Keloid 1478:Dermal 1387:Callus 1307:000823 1188:, 1163:  1155:  1124:  1116:  1081:  1073:  1037:  1029:  1021:  977:  950:  942:  905:  857:  805:  773:  729:  719:  711:  670:  605:  595:  545:  520:  435:Nd:YAG 259:keloid 215:keloid 199:barbae 139: 3631:Sweat 3363:Milia 3321:cysts 2540:Acute 1678:Pedis 1463:Nevus 1283:31373 1261:704.8 1246:L73.1 1035:S2CID 967:Cutis 948:S2CID 901:–55. 633:(PDF) 626:(PDF) 449:Legal 431:diode 373:peels 338:razor 331:beard 303:motif 299:helix 283:in a 221:Cause 3022:Acne 2762:Hair 2451:Nail 2298:Nail 2241:Hair 2044:Boil 1571:With 1382:Wart 1267:MeSH 1256:9-CM 1161:PMID 1153:ISSN 1122:PMID 1114:ISSN 1079:PMID 1071:ISSN 1027:PMID 1019:ISSN 975:PMID 940:PMID 903:ISBN 855:PMID 803:ISSN 771:PMID 727:PMID 709:ISSN 668:ISSN 603:PMID 543:ISBN 518:ISBN 1978:Red 1480:and 1252:ICD 1237:ICD 1106:doi 1063:doi 1009:doi 932:doi 899:331 845:doi 841:122 761:doi 757:122 717:PMC 699:doi 660:doi 656:111 593:PMC 564:at 388:or 249:or 165:PFB 126:ɑːr 3798:: 3332:" 1316:: 1305:: 1281:: 1270:: 1259:: 1244:: 1241:10 1204:, 1159:. 1149:10 1147:. 1143:. 1120:. 1112:. 1100:. 1077:. 1069:. 1059:93 1057:. 1033:. 1025:. 1017:. 1005:17 1003:. 999:. 987:^ 971:73 969:. 946:. 938:. 928:17 926:. 867:^ 853:. 839:. 835:. 821:^ 801:. 795:. 783:^ 769:. 755:. 751:. 739:^ 725:. 715:. 707:. 695:12 693:. 689:. 666:. 654:. 650:. 601:. 589:66 587:. 583:. 477:. 392:. 132:iː 106:aɪ 73:oʊ 67:uː 64:sj 3603:) 3551:) 3328:" 3075:) 3052:/ 2870:: 2787:: 2773:/ 2434:e 2427:t 2420:v 2183:/ 2103:) 1690:) 1353:e 1346:t 1339:v 1254:- 1239:- 1229:D 1173:. 1128:. 1108:: 1102:1 1085:. 1065:: 1041:. 1011:: 981:. 954:. 934:: 911:. 861:. 847:: 815:. 777:. 763:: 733:. 701:: 674:. 662:: 609:. 551:. 526:. 163:( 135:/ 129:b 123:b 120:ˈ 115:s 112:ɪ 109:t 103:l 100:ˈ 97:ʊ 94:j 91:k 88:ɪ 85:l 82:ˌ 79:ə 76:f 70:d 61:ˌ 58:/

Index


/ˌsjdfəˌlɪkjʊˈltɪsˈbɑːrb/
Specialty
Dermatology
irritant folliculitis
Razor burn
folliculitis
acne keloidalis nuchae
keloid
genital
follicle
pimples
papules
pustules
keloid
ingrown hairs
polymorphism
keratin
genetic
risk factor
conserved
helix
motif
rod domain
homozygous
wild-type
companion layer
beard
razor
chemical depilatory

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