This study found that a hair treatment cream using keratin protein from chicken feathers effectively improved damaged hair, particularly by repairing the surface layer.
18 citations
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July 2015 in “Journal of cosmetic dermatology” This study observed that combining hair dyeing with sodium hydroxide relaxers drastically increased protein loss in Caucasian virgin dark brown hair, while ammonium thioglycolate or guanidine hydroxide relaxers caused less damage.
10 citations
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December 2024 in “Allergy” This study found that tralokinumab effectively reduced the severity of moderate-to-severe atopic dermatitis over 28 weeks in adults, with significant improvements in clinical outcomes and biological markers, although 27.4% of patients discontinued treatment due to adverse events or ineffectiveness.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” This study found that a hair care treatment using integral silk proteins and linseed-derived polysaccharides effectively protected and repaired bleached and colored hair swatches, significantly improving their resistance, luster, and reducing structural damage after chemical treatments.
70 citations
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June 1998 in “Polymer” This study found that permanent waving treatment partially disrupts the α-helical structure in human hair microfibrils, primarily during the initial reduction phase, rather than just affecting disulphide bonds.