17 citations
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April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
6 citations
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June 1994 in “Journal of Animal Science” None of the tested compounds created a permanent mark on cattle.
56 citations
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January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Safflower extract increases melanin production in certain skin cells without harming them.
1 citations
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September 2008 in “International Journal of Cosmetic Science” Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
9 citations
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July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
4 citations
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January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
January 2025 in “Analytical Methods” A new fluorescent material can detect dextran sulfate sodium, turning green when present, useful for forensic and environmental monitoring.
9 citations
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November 2000 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Dyeing hair can help target and destroy hair follicles selectively.
December 2023 in “Asian journal of beauty & cosmetology”
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
16 citations
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October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
April 2020 in “Food Research” The document discusses various topics including the use of plant derivatives for hair loss, potential food additives, antioxidant properties of different extracts, and the study of bacteria on stainless steel surfaces.
June 2023 in “CHEDS Journal of Chemistry Education and Science” Green spinach leaves can be an effective and liked hair tonic for hair loss.
5 citations
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January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
6 citations
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January 2020 in “Elsevier eBooks” Nanoparticles could make hair dyes safer by reducing harmful effects.
16 citations
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June 2022 in “Evidence-based Complementary and Alternative Medicine” Sterculia villosa and Vernonia patula show potential as antioxidants.
December 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment safely and effectively restores natural hair color by increasing black hair and reducing grey hair.
79 citations
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January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
16 citations
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June 2022 in “Agronomy” Certain natural biostimulants can increase lettuce yield and improve its nutritional content.
7 citations
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August 2007 in “Journal of Biotechnology” September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
2 citations
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January 2017 in “Journal of Biotechnology Research Center” Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
46 citations
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January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
February 2025 in “International Journal of Research Publication and Reviews” Butterfly pea flower is valued for its health benefits, color-changing ability, and use in food and drinks.