January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
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June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair serum may help prevent premature hair greying.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair serum may help delay premature hair greying.