January 2023 in “Postępy Dermatologii i Alergologii” Azelaic acid treats acne, rosacea, and hyperpigmentation with minimal side effects.
153 citations
,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
8 citations
,
January 2007 in “International journal of experimental pathology” Hairless HRS/J mice resist Bacillus anthracis skin infections due to high numbers of immune cells, not because they lack hair follicles.
April 2019 in “Journal of Investigative Dermatology” Testosterone affects androgen receptors and lipid storage in cells, while DHEA does not convert to testosterone or affect these receptors in the same way.
January 2012 in “Institutional Repositories DataBase (IRDB)” Cells from skin and lung can help regenerate hair follicles.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
January 2024 in “ACTA SCIENTIAE VETERINARIAE” An epidermoid cyst in a dog's mammary gland is rare and benign.
64 citations
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October 2017 in “Colloids and surfaces. B, Biointerfaces” Chitosan-coated nanoparticles can effectively deliver positively charged drugs through the skin using iontophoresis.
28 citations
,
April 2024 in “Immunity” CD80 on skin stem cells helps expand Treg cells to aid wound healing.
16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
15 citations
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February 2020 in “Journal of Investigative Dermatology” Ceramide Synthase 4 is crucial for healthy skin barrier function.
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
1 citations
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January 2018 in “Journal of microscopy and ultrastructure” The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
176 citations
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February 2006 in “Cancer Research” Patched1 helps prevent tumors by controlling cell growth.
38 citations
,
May 2010 in “American Journal Of Pathology” 17β-Estradiol slows wound healing in male mice through estrogen receptor-α.
33 citations
,
April 2020 in “Journal of Clinical Investigation” Stress in hair follicle stem cells causes inflammation in a chronic skin condition through a specific immune response pathway.
23 citations
,
January 2023 in “Journal of Developmental Biology” Reptile skin protects and prevents water loss, helping them adapt to land.
10 citations
,
November 2024 in “Animals” More research is needed to improve wool and cashmere quality through genetics.
7 citations
,
October 2024 in “Cells” Autophagy is essential for proper skin cell development and function.
6 citations
,
September 2021 in “Autophagy” Autophagy prevents early aging and maintains lipid and pheromone balance in mouse glands.
4 citations
,
February 2023 in “iScience” Korean long-tailed chickens have unique genes valuable for ornamental breeding.
November 2025 in “ACS Applied Materials & Interfaces” Plant-derived nanovesicles effectively deliver finasteride for hair regrowth in androgenetic alopecia.
Arginine deficiency hinders hair growth in androgenetic alopecia, but restoring it can promote hair regeneration.
January 2022 in “Figshare” Autophagy helps mouse glands stay healthy, prevents early aging, and maintains their oil and scent production.
January 2021 in “Figshare” Autophagy helps delay aging in mouse glands, maintains fat balance, and controls scent production.
January 2020 in “Columbia Academic Commons (Columbia University)” Certain genetic changes in the STX17 and KRT82 genes contribute to hair loss in alopecia areata.
April 2019 in “Journal of Investigative Dermatology” Y27632 increases cell growth through EGFR signaling, not ROCK1/2.
October 2025 in “Cell Reports” Regulatory T cells help hair growth by using the Cxcr4-Cxcl12 pathway.
201 citations
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May 2001 in “Proceedings of the National Academy of Sciences” Overexpression of COX-2 in mice skin causes abnormal skin and hair development.