1 citations
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
December 2017 in “JURNAL FARMANESIA” Red dragon fruit peel extract can effectively dye gray hair black.
June 2017 in “Journal of Traditional and Folk Practices” Tribes in Kerala and Tamil Nadu use Begonia malabarica for various health issues.
1 citations
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December 2021 in “Annals of phytomedicine” The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
48 citations
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May 2021 in “Molecules” Plant extracts from dry flowers can be used as safe, effective dyes in cosmetics, offering skin protection and anti-aging benefits.