December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
17 citations
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August 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
May 2023 in “Antioxidants” Peptides from oysters may safely and effectively heal skin wounds with less scarring.
25 citations
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May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.