Biotin Tripeptide-1

Biotin Tripeptide-1 is a cosmetic ingredient that combines biotin (vitamin B7) with the tripeptide glycyl-histidyl-lysine (GHK). This conjugation merges two well-known hair health ingredients into a single molecule. Biotin is widely recognized for its role in keratin production and overall hair health, while the GHK peptide sequence is known for its tissue remodeling and growth factor-stimulating properties.

The rationale behind Biotin Tripeptide-1 is to deliver biotin directly to the hair follicle while simultaneously providing the biological signaling benefits of the GHK peptide. The tripeptide component helps improve anchorage of the hair in the follicle by strengthening the dermal papilla and surrounding connective tissue. Meanwhile, the biotin moiety supports keratin synthesis and metabolic processes essential for healthy hair growth.

Biotin Tripeptide-1 is a key component of the commercially available hair care ingredient Procapil, which combines it with oleanolic acid (extracted from olive tree leaves) and apigenin (a flavonoid from citrus fruits). This three-component system targets hair loss from multiple angles: the peptide strengthens the follicle, oleanolic acid inhibits 5-alpha reductase (the enzyme that converts testosterone to dihydrotestosterone), and apigenin improves blood flow to the follicle.

Clinical studies on Procapil have shown promising results in reducing hair loss and improving hair density. While these studies evaluate the complete Procapil formulation rather than Biotin Tripeptide-1 in isolation, the peptide is considered a critical active component of the system's efficacy. It is found in shampoos, conditioners, hair serums, and scalp treatments marketed for hair thinning and loss.