40 citations
,
January 2013 in “Clinical Cosmetic and Investigational Dermatology” Desonide is more effective than niacinamide for reducing underarm darkening.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
7 citations
,
September 2024 in “BMC Genomics” Two genes, ERBB4 and ROR1, may cause the unique pigmentation in Lanping black-boned sheep.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
1 citations
,
July 2015 in “British Journal of Dermatology” Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.
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.
40 citations
,
May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
November 2022 in “Journal of Investigative Dermatology” Dynlt3 is important for melanosome transport and skin coloration.
141 citations
,
January 1984 in “Journal of The American Academy of Dermatology” Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.
May 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicastrin deficiency may cause skin cell damage and pigmentation disorders in humans, similar to effects seen in fish.
20 citations
,
September 2005 in “Clinics in Dermatology” Some skin problems can be signs of diabetes or other metabolic diseases and recognizing them can help diagnose and treat these diseases early.
September 2023 in “Journal of the American Academy of Dermatology” Spanish speakers with limited English search most for "pigmentation/dark spots."
3 citations
,
May 1979 in “PubMed”
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
25 citations
,
May 1995 in “Journal of the American Academy of Dermatology” Erythromelanosis follicularis faciei can also affect women, though it's rare.
2 citations
,
September 2022 The PER3 rs772027021 SNP may cause mild skin pigmentation changes in a new subtype of dyschromatosis universalis hereditaria.
1 citations
,
August 2018 in “Dermatologic Surgery”
2 citations
,
March 2020 in “Skin” Using cidofovir cream for a rare skin disease can cause skin darkening.
Retinoids or their analogs could treat skin pigmentation disorders like melasma and vitiligo.
April 1986 in “CRC Press eBooks” Hair color is determined by melanins produced in hair cells.
4 citations
,
April 2019 in “JAAD Case Reports” DPR can cause skin, hair, and nail issues, sometimes appearing later in life.
Retinoids can help treat skin pigmentation disorders by affecting melanin production.
3 citations
,
November 2022 in “Experimental dermatology” Melatonin may inhibit melanoma growth and has potential as a cancer therapy aid, but its effects on human skin pigmentation need more research.
May 2021 in “GSC Advanced Research and Reviews” Hair color is influenced by genetics and can indicate certain health conditions.
November 2024 in “Journal of Investigative Dermatology” Blocking the JAK/STAT pathway may help reduce skin sensitivity in Xeroderma pigmentosum.
4 citations
,
March 2024 in “Journal of Investigative Dermatology” SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
9 citations
,
July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
7 citations
,
May 1978 in “Acta Dermato Venereologica” A 36-year-old man had unusual skin lesions on his face without hair loss.