January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
2 citations
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January 2017 in “Journal of Pigmentary Disorders” Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.
1 citations
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January 2012 in “Human health handbooks” Hair color is determined by melanin types and gene activity.
May 2023 in “Journal of pharmacognosy and phytochemistry” The study established quality standards for Sphagneticola calendulacea stem and suggested it may have therapeutic benefits.
1 citations
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January 2016 in “Springer briefs in molecular science” Natural plant-based substances can be used as effective hair dyes.