November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.
7 citations
,
October 1985 in “Genetics Research” Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.
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.
September 2025 in “Journal of Science Innovations and Nature of Earth” Anthocyanins in berries and purple veggies offer health benefits but need better processing for full use.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural hair dye is safe, effective, and good for scalp health.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural hair dye is safe, effective, and good for scalp health.
23 citations
,
March 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.
7 citations
,
September 2024 in “BMC Genomics” Two genes, ERBB4 and ROR1, may cause the unique pigmentation in Lanping black-boned sheep.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
4 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
48 citations
,
June 2000 in “Japanese Journal of Cancer Research” Dimethylarsinic acid speeds up skin tumor growth in certain mice.
18 citations
,
December 2010 in “Journal of analytical atomic spectrometry” A new method accurately measures lead levels in hair to assess exposure.
Nano-sized sunscreens may penetrate skin and pose toxicity risks.
2 citations
,
December 1988 in “PubMed” C.I. Acid Orange 3 caused cancer in female rats but not in male rats or mice.
8 citations
,
January 1984 in “Veterinary Pathology” Toy poodles may develop harmless mineral deposits around hair follicles as they age.
5 citations
,
January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
8 citations
,
May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
September 2012 in “British Small Animal Veterinary Association eBooks” The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
9 citations
,
January 2010 The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
2 citations
,
January 2002 Melanin and melanocytes contribute to the brown pigmentation in stasis dermatitis.
7 citations
,
June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
1 citations
,
March 1958 in “PubMed”
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes are safer but have limited shades and may fade with washing.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
July 2025 in “Advanced Science” Collagen VI and Semaphorin 3C are important for hair pigmentation and could help treat pigmentation disorders.