10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
11 citations
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June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
4 citations
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June 1983 in “The Journal of dermatologic surgery and oncology” Synthetic fiber hair implants often cause complications and are not very successful.