3 citations
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May 2020 in “Acta pharmaceutica” The researchers reported that protocatechuic acid reduced melanin synthesis and enhanced antioxidant activity in cultured human hair follicle melanocytes, indicating potential for skin whitening applications.
10 citations
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November 2022 in “International Journal of Cosmetic Science” In this laboratory study, Camellia japonica fruit shell extract showed potential to mitigate hair loss by promoting hair cell growth and reducing harmful effects of DHT and oxidative stress.
2 citations
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March 2022 in “Applied sciences” In this study, Lespedeza bicolor extract was found to enhance dermal papilla cell proliferation and extend the anagen phase in mice, suggesting its potential as a treatment for alopecia.
This study examined the use of plant extracts as natural hair dye colourants, highlighting their antioxidant properties and eco-friendly benefits. The authors reported that plant-based dyes effectively deliver vibrant colours and enhance hair health while offering a sustainable alternative to synthetic dyes.
This study found that extracts from plants like onion peel and walnut possess strong antioxidant properties, making them promising eco-friendly alternatives to synthetic hair dyes, delivering vibrant colors and better wash fastness when combined with oxalic acid.