research Increased cAMP levels in human hair follicles due to local treatment with trichoriboside. January 1994 in “PubMed” Trichoriboside treatment helps maintain scalp hair by increasing cAMP levels in hair follicles of men with hair loss.
research Role and application of glycosaminoglycans in trichology and cosmetology February 2021 in “Aesthetic Cosmetology and Medicine” Glycosaminoglycans, found in things like hyaluronic acid, help maintain skin health and stimulate hair growth, and are safe to use topically.
research Trichohyalin: A structural protein of hair, tongue, nail, and epidermis 27 citations , July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”