6 citations
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June 1994 in “Journal of Animal Science” This study found that none of the depigmenting compounds tested in beef heifers produced a permanent depigmenting effect, though visible depigmentation lasted up to 3 months.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
6 citations
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September 2022 in “Frontiers in pharmacology” In this study, Epimedii Folium extract was found to enhance melanin production and promote pigmentation through mechanisms involving the MAPK/ERK1/2 pathway in both in vitro and in vivo models.
August 2026 in “Molecules” This review discusses key molecular targets in cosmetic research and reports no clinical results; it highlights the role of telomerase, sirtuins, and tyrosinase in anti-aging and depigmentation strategies.
In this study involving 13 patients with vitiligo-associated leukotrichia, minimal hair repigmentation was observed following treatment with fractional CO₂ laser and topical betamethasone, though the method was well tolerated, highlighting the need for further research to optimize treatment parameters.