March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
21 citations
,
February 2006 in “Clinical Cancer Research” Mitf plays a key role in melanoma progression and is linked to disease stage.
September 2025 in “Indian Dermatology Online Journal” Melatonin may help treat skin conditions and promote hair growth.
April 2024 in “Journal of translational medicine” Melanocytes are important for normal body functions and have potential uses in regenerative medicine and disease treatment.
15 citations
,
January 2023 in “Journal of Translational Autoimmunity” Melatonin may help treat skin conditions.
6 citations
,
September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
July 2026 in “Journal of Craniofacial Surgery” Melatonin helps hair growth by boosting stem cell activity.
9 citations
,
January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
29 citations
,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
84 citations
,
July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
January 2004 in “Linchuang pifuke zazhi” All-trans retinoic acid helps amelanotic melanocytes in hair follicles develop and produce pigment while reducing their growth.
June 2004 in “Journal of Investigative Dermatology” Increased pigmentation may protect skin from UVB, new targets for skin disease treatments were identified, sunscreen ingredients don't affect hormones, TNF-α inhibitors may help diabetic wounds, and certain treatments could prevent chemotherapy-induced hair loss.
10 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
55 citations
,
December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” Keratinocytes control how melanocytes work.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
10 citations
,
May 2016 in “Journal of Dermatological Science” PDGF-BB helps young melanocytes grow but stops mature ones from growing, and it makes melanocytes more specialized.
135 citations
,
March 2000 in “Journal of Biological Chemistry” Agouti and AGRP affect pigmentation and obesity, with implications for metabolic disorders.
66 citations
,
December 2014 in “Nature Communications” Fibroblasts can be turned into melanocytes for potential skin treatments.
32 citations
,
January 2022 in “International Journal of Molecular Sciences” Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.
68 citations
,
April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
July 2025 in “Advanced Science” Collagen VI and Semaphorin 3C are important for hair pigmentation and could help treat pigmentation disorders.
11 citations
,
February 2018 in “Archives of Pharmacal Research” Finasteride reduces melanin production, possibly treating hyperpigmentation and melanoma, but needs more safety research.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
84 citations
,
April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
7 citations
,
May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
April 2026 in “Journal of Dermatology Research” The skin communicates with the nervous system, and targeting neurohormones like melatonin and oxytocin could help treat skin issues.