51 citations,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
15 citations,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
18 citations,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
March 2021 in “Egyptian Journal of Chemistry” The herbal shampoo with Momordica charantia and Hibiscus Rosa-Sinensis is safe and promotes hair growth and scalp health.