25 citations
,
March 2019 in “Dermatologic therapy” Intralesional therapy for keratoacanthoma is effective and has fewer side effects than systemic treatments.
6 citations
,
December 1987 in “Mayo Clinic proceedings” Retinoids are effective for severe acne and psoriasis but can cause serious side effects and birth defects.
88 citations
,
July 1958 in “Nature” Citrulline was found in hair follicle proteins for the first time.
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
1 citations
,
January 1980 in “Side effects of drugs annual” Taking too much vitamin A can cause health problems like bone pain and hair loss.
10 citations
,
September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
Tretinoin is used topically to treat acne, skin aging, and various skin conditions.
40 citations
,
March 1991 in “Journal of Investigative Dermatology” 15 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoids can change the hair growth cycle by extending the growth phase and shortening the rest phase.
Retinoic acid can change skin development, like turning scales into feathers or forming glands.
25 citations
,
September 2020 in “Molecules” Quercitrin may help treat hair loss by promoting hair growth and improving cell health.
13 citations
,
April 1982 in “The Journal of Dermatology” Poly(ADP-ribose) synthesis is linked to skin cell differentiation.
January 2025 in “Biochimica et Biophysica Acta (BBA) - Molecular Cell Research” Green tea compound EGCG may help hair growth by boosting cell activity.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
13 citations
,
November 2010 in “Experimental Dermatology” Vitamin C derivative reduces hair loss-related protein in cells.
47 citations
,
September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.
April 2005 in “Journal of Investigative Dermatology” Vitamin D helps protect skin, PSORS1 gene's risk interval for psoriasis is expanded, hair follicles can be generated from mouse cells, and interferon-γ may cause pigmented skin lesions.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
29 citations
,
July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
6 citations
,
February 2019 in “JAAD case reports” Acitretin helped improve hand mobility and skin condition in a patient.
September 1941 in “The Science News-Letter”
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocytes are cells that make skin and hair color and help protect skin from sun damage.
1 citations
,
June 2025 in “Journal of Cellular and Molecular Medicine” Plant-derived compounds may help reverse grey hair by boosting melanin production.
48 citations
,
July 2023 in “Pediatric Dermatology”
25 citations
,
December 2005 in “Molecular Genetics and Metabolism” Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
2 citations
,
March 2023 in “JAAD case reports” Hair repigmentation can indicate malignancy and should be investigated.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
5 citations
,
June 2008 in “British Journal of Dermatology”