A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
December 2025 in “Journal of Pharma Insights and Research.” The shampoo naturally colors and conditions hair safely without toxic chemicals.
April 2026 in “Biomolecules” Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
63 citations
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February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
12 citations
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May 2013 in “International Journal of Dermatology” Ethosomes improve black tea extract absorption in hair dye.
434 citations
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October 2003 in “PTR. Phytotherapy research/Phytotherapy research” Natural products in cosmetics are beneficial for skin and hair care with low toxicity.
1 citations
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November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
3 citations
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January 2019 in “Electronic Imaging” The device accurately estimates natural hair color at the roots in real time.
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.
3 citations
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April 2023 in “Research Journal of Pharmacy and Technology” Calendula Officinalis extract can be used to create an effective natural hair dye.
January 2024 in “Academic Journal of Medicine & Health Sciences” The herbal tea blend may improve hair health and overall well-being, but more research is needed.
December 2017 in “JURNAL FARMANESIA” Red dragon fruit peel extract can effectively dye gray hair black.
50 citations
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October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
July 2021 in “Clinical Case Reports and Clinical Study” Herbal hair gels are better for hair health than synthetic ones.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
15 citations
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November 2015 in “Trends in biotechnology” Gene regulation could revolutionize hair color by altering pigmentation from within.
1 citations
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July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
February 2026 in “Chinese Medicine” Natural products might help treat hair greying.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
The herbal hair dye using Platycladus orientalis effectively prevents hair loss, covers gray, and is gentle and safe for all ages.
May 2026 in “International Journal of Research Publication and Reviews” The polyherbal hair dye is a safe, effective, and eco-friendly alternative to synthetic dyes.
December 2023 in “International Journal For Multidisciplinary Research” Indian medicinal plants can help with hair growth and common hair issues.
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.
March 2025 in “International Journal of Advanced Research in Science Communication and Technology” Herbal hair dyes are safer and eco-friendly alternatives to synthetic dyes, offering natural color and hair benefits.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical dyes.
July 2024 in “Annals of Phytomedicine An International Journal” Herbal ingredients like aloe vera and hibiscus can help with hair problems like hair loss and dandruff.
November 2025 in “Journal of Ayurveda and Integrated Medical Sciences” Herbal hair dyes are safe, effective, and beneficial for hair health.