TLDR The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
The study aimed to create and evaluate a herbal hair dye using extracts from various herbs, including henna and indigo, in different ratios. The F3 formulation, with a henna to indigo ratio of 1:2, produced a dark brown to black color similar to natural hair. This formulation showed superior dyeing effects, no skin irritation, no unpleasant odor, good retention, hair growth promotion, suitability for all ages, and eco-friendliness compared to synthetic dyes.
34 citations,
January 2022 in “Molecules/Molecules online/Molecules annual” Natural ingredients in cosmeceuticals are beneficial for skin and hair health with few side effects.
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December 2011 in “InTech eBooks” Eat antioxidant-rich foods, reduce fast food, and explore various treatments for vitiligo.
January 2022 in “International journal of pharmaceutical sciences review and research” Herbal cosmetics are becoming more popular because they are safer, have fewer side effects, and offer health benefits.
1 citations,
January 2016 in “International journal of research in ayurveda and pharmacy” The study found that a specific combination of five medicinal plants effectively inhibits the fungus that causes dandruff.
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