January 2012 in “Open MIND” This case report details a 61-year-old Afro-Caribbean man with pseudofolliculitis barbae induced by oral minoxidil.
13 citations
,
December 2011 in “Korean Journal of Food Science and Technology” This study suggests that black soybean extract promotes hair growth and improves scalp health by enhancing blood circulation and cellular proliferation, although further human studies are needed to verify these effects.
42 citations
,
June 2012 in “Clinical and Experimental Dermatology” This study found that 'black dots' seen under trichoscopy are not specific to alopecia areata and may occur in various other hair and scalp conditions.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” This case report observed a subepidermal calcified nodule on the face of a 15-year-old boy, thought to originate from hair follicles, with calcium being eliminated through the skin.
January 2014 in “Journal of Guangdong Pharmaceutical University” This study found that an acne complex animal model using rabbits showed more pronounced clinical symptoms and measured changes compared to the traditional Kligman model.
June 2026 in “Journal of Korean Medicine” This case report describes a 51-year-old male who developed localized hair growth exclusively at sites of repeated cupping therapy on the neck and shoulder, suggesting a possible link between long-term cupping and localized acquired hypertrichosis.
27 citations
,
June 2017 in “International Journal of Dermatology” This study found that acne keloidalis nuchae was associated with pseudofolliculitis barbae, chronic scalp folliculitis, and aspects of the metabolic syndrome, particularly hypertension, in the examined population.
37 citations
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January 2015 in “Evidence-based Complementary and Alternative Medicine” This study found that Bokusoku extract and its compound pentagalloyl glucose inhibited testosterone metabolism and sebum synthesis, suggesting potential therapeutic use for androgen-related acne.
September 2021 in “CRC Press eBooks” This review discusses dissecting cellulitis of the scalp and reports no new clinical findings.
July 2022 in “SKIN The Journal of Cutaneous Medicine” This case report presents the first successful treatment of acne keloidalis nuchae with a combination of halobetasol 0.01% and tazarotene 0.045% lotion.
11 citations
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November 1996 in “Pediatric dermatology” This paper reviews trichostasis spinulosa and presents a case in a 13-year-old girl, providing no new clinical research results.
September 2020 in “Advances in anatomic pathology” In this case report, a preoperative core biopsy for a giant rhinophyma provided a misleading diagnosis, and the authors suggest such biopsies may be unnecessary.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” This case report describes a rare instance of dissecting cellulitis of the scalp in a White child, which is uncommon in pediatric cases and presented challenges in diagnosis and treatment.
1 citations
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January 2015 in “Indian journal of dermatology, venereology, and leprology” A woman's scalp infection caused by a fungus led to permanent hair loss and was hard to treat but responded to a specific antifungal.
November 2017 in “International journal of research in dermatology” This case report describes a rare instance of nevus comedonicus with a multi-dermatomal unilateral pattern along the lines of Blaschko, treated unsuccessfully with topical tretinoin and oral retinoids.
13 citations
,
February 2002 in “Archives of dermatology” This abstract contains no research findings; it describes website service information and options for accessing content from JAMA Dermatology.
September 2026 in “Surgical Neurology International” This case report describes a 28-year-old male who developed a subpericranial abscess, an unusual complication of subpericranial hematoma, potentially related to microneedling procedures, highlighting a risk of infection even without open wounds.
57 citations
,
February 2016 in “Dermatologic surgery” This review identifies excessive sebum, decreased elasticity, and increased hair follicle volume as key factors contributing to enlarged skin pores, emphasizing the need for individualized treatment based on underlying causes.
June 2025 in “British Journal of Dermatology” This review highlights that acne keloidalis nuchae notably affects men with afro-textured hair and results in scarring and hair loss, underscoring the need for improved diagnosis and treatment strategies due to its significant psychosocial impact and high recurrence rates following current therapies.
2 citations
,
September 2023 in “JAAD Case Reports” This article discusses the chronic inflammatory skin diseases acne keloidalis nuchae and dissecting cellulitis of the scalp, focusing on their shared etiology and differing progression, and reports no new clinical findings.
44 citations
,
January 1999 in “Dermatology” This article reviews different perspectives on nevus comedonicus, discussing its classification and potential associations with systemic findings, but it reports no new results.
September 2025 in “BioMed” In this case report and literature review, researchers observed that black hairy tongue syndrome can be improved by dietary restrictions and local care, identifying factors like antibiotics, malignancies, and certain medications as common triggers, with resolution achieved by eliminating these factors when possible.
4 citations
,
August 2022 in “Aesthetic Surgery Journal” This study found that one session of intradermal botulinum toxin type A injection decreased scalp sebum secretion and perception of greasiness more effectively than saline for up to 3 months.
This review discusses perifolliculitis capitis abscedens et suffodiens, noting the promising management potential of isotretinoin and other medications for this challenging scalp condition, but reports no clinical results.
January 2018 in “대한미용학회지” This study found that white hair demonstrated denser and more hydrophobic properties compared to black hair.
15 citations
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October 1999 in “International Journal of Dermatology” This case report describes a 30-year-old man who developed superficial bacterial folliculitis after sleeping on a waterbed and was effectively treated with topical clindamycin gel.
April 2024 in “Journal of Pakistan Association of Dermatologists” In this study of male patients with non-curly hair, the researchers observed a significant occurrence of folliculitis nuchae linked to close haircuts and shaving, with treatment effectiveness varying by disease phase and best results seen in early stages.
July 2018 in “Elsevier eBooks” This review discusses primary neutrophilic cicatricial alopecias, their clinical and histological characteristics, and the importance of early therapeutic intervention to prevent scarring alopecia, reporting no new clinical results.
June 2021 in “International journal of research in dermatology” This case report describes a man with trichorrhexis nodosa of the beard, who experienced symptomatic improvement after being advised to shave and avoid brushing, confirming the diagnosis.
2 citations
,
May 1991 in “PubMed” This article reviews naevus comedonicus, highlighting potential treatments like retinoic acid application and surgical intervention, but reports no new clinical findings.