September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
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.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
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.