12 citations
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May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.
August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye effectively provides a natural reddish-brown color without synthetic chemicals.
7 citations
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June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
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.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
January 2025 in “Journal of Pharmacognosy and Phytochemistry” Plant-based pigments in shampoo offer vibrant colors and scalp benefits, meeting quality standards and providing a natural alternative to synthetic dyes.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes like henna and beetroot are safer but have limited colors and may fade easily.
1 citations
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November 2022 in “International journal of trichology” A woman's premature gray hair turned mostly black again after using Greyverse solution and hair supplements for 5 months.
January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
4 citations
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March 2020 in “Scientific Reports” Scientists created a colored thread-like material containing a common hair loss treatment, which slowly releases the treatment over time, potentially offering an effective, neat, and visually appealing solution for hair loss.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes are safer but have limited shades and may fade with washing.
20 citations
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February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
3 citations
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June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
1 citations
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June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
6 citations
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September 2013 in “Advanced materials research” Non-ionic silicone emulsion best protects hair color from sunlight.
2 citations
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March 2024 in “Journal of Cosmetic Dermatology” White hair from alopecia areata can turn pigmented after treatment.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural hair dye is safe, effective, and good for scalp health.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural hair dye is safe, effective, and good for scalp health.
4 citations
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May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
62 citations
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December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
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.
A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.
84 citations
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April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Polyherbal hair dye creams are safer, effective, eco-friendly, and economical alternatives to synthetic dyes.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Polyherbal hair dye cream is safe, effective, and eco-friendly, offering better color and no side effects.
2 citations
,
July 2020 in “International Journal for Research in Applied Science and Engineering Technology” Pseudomonas DL17 can completely break down the harmful dye Sunset Yellow FCF in 48 hours.
13 citations
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March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.