53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
3 citations
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July 2017 in “Journal of Molecular Graphics & Modelling” The study found that baicalin has different stable shapes in gas and water, with two shapes better for interacting with positive charges in water.
Metformin can cause rare severe skin reactions.
13 citations
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September 2017 in “International Journal of Cosmetic Science” Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
May 2026 in “Bioactive Materials” The microneedle patch helps regrow hair by restoring enzyme function in hair follicles.