September 2023 in “Curēus” A 21-year-old male has a benign skin condition called Becker's nevus, which he chose not to treat.
24 citations
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February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
75 citations
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May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
December 2004 in “Differentiation” 1 citations
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June 2011 in “대한구강악안면외과학회지” A woman had a cyst in her salivary gland, likely from Botox, which was removed and confirmed as an epidermoid cyst.
16 citations
,
August 1992 in “PubMed” Anabolic-androgenic steroids can cause skin issues like acne and oily skin by enlarging oil glands and changing skin oils.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
1 citations
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October 2020 in “Research Square (Research Square)” Abnormal Wnt signaling in hair follicle stem cells can lead to acne-like cysts.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
1 citations
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January 1984 in “Archives de Philosophie” Sebaceous glands are involved in various skin conditions and hair loss, with treatments ranging from topical creams to surgery.
5 citations
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September 1991 in “Veterinary dermatology” Pygmy goats with seborrhoeic dermatitis showed skin symptoms and temporary improvement with corticosteroids, but the cause and inheritance of the disease remain unknown.
12 citations
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January 2005 in “Pediatric Dermatology” Fox Fordyce disease might be more common in prepubertal girls than thought and can be managed with treatment.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebaceous gland atrophy and abnormal function may contribute to hair loss in psoriasis.
1 citations
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December 2021 in “Kathmandu University medical journal” Adult earlobe can have a benign cyst that is usually removed by surgery.
20 citations
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December 2013 in “Journal of Dermatology” UV-B light increases inflammation-related substances in acne-related skin cells.
19 citations
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July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
3 citations
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May 2023 in “Pediatric Dermatology” A 9-year-old boy had a rare scalp condition usually seen in young men.
January 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” A specific enzyme is essential for proper hair follicle stem cell development and healthy skin.
October 2018 in “Focus on surfactants” 21 citations
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December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
31 citations
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July 2012 in “Journal of Lipid Research” ACBP is crucial for healthy skin in mice.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
297 citations
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January 2002 in “Development” Overexpression of ΔNLef1 in mouse skin leads to hair loss, cysts, and skin tumors.
11 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” Scientists made a chemical (compound 4e) that can be applied on skin to reduce oil production, which can help with acne, but it might cause skin sensitivity to light.
1 citations
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February 1991 in “Journal of Biological Chemistry” 84 citations
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March 2002 in “The Journal of Dermatology” Steatocystoma multiplex is a skin condition starting around age 26, linked to hair follicles, and related to eruptive vellus hair cysts.
August 2022 in “Aesthetic Cosmetology and Medicine” Certain plant extracts can effectively and safely reduce seborrhea when used in properly formulated scalp care products.
12 citations
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January 1991 in “Acta Dermato Venereologica” Basal cell epithelioma-like changes are most similar to normal basal cells.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.