17 citations
,
May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
April 2026 in “Science & Justice” Hair analysis can confirm drug use but can't accurately measure how much was taken.
2 citations
,
January 1973 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.
20 citations
,
December 2013 in “PubMed” Quercetin boosts melanin production in mouse hair follicles.
14 citations
,
February 2021 in “International Journal of Pharmaceutics” Deer antler velvet serum helps hair grow and is safe for skin.
2 citations
,
January 2020 in “BioMed Research International” Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.
September 2019 in “Journal of Investigative Dermatology” PCE-DP brightens skin and promotes hair growth by enhancing cell growth and reducing melanin uptake.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
October 2023 in “International Journal of Cosmetic Science” WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.
Adenophora Radix extract can promote hair growth and increase melanin in mice.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
7 citations
,
January 1992 in “Skin Pharmacology and Physiology” Minoxidil binds to hair pigment but doesn't affect hair growth.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
15 citations
,
March 2015 in “Experimental Dermatology” Clotrimazole, an antifungal cream, may safely reduce skin pigmentation by breaking down the enzyme needed for making melanin.
2 citations
,
June 2020 in “Journal of Investigative Dermatology” 3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
The extract combination can promote hair growth and act as a natural hair dye.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Safflower extract increases melanin production in certain skin cells without harming them.
April 2024 in “JURNAL ILMU KEFARMASIAN INDONESIA” The mud mask with 22.5% kaolin and pomegranate peel extract worked best.
May 2021 in “Journal of the Endocrine Society” Adolescents with PCOS have higher levels of certain androgens, which are linked to hair growth but don't help diagnose PCOS better than testosterone levels.
25 citations
,
June 2015 in “Clinical, Cosmetic and Investigational Dermatology” Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.
84 citations
,
April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
26 citations
,
July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
19 citations
,
November 2023 in “npj Regenerative Medicine” Synthetic melanin applied to skin speeds up wound healing.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
15 citations
,
December 2016 in “Advanced Pharmaceutical Bulletin” The new cream with N-acetyl glucosamine didn't change skin color after 8 weeks.
January 2023 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” NOC-4 extract promotes black hair and hair growth effectively.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
112 citations
,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.