Biotinoyl Tripeptide-1 is a cosmetic ingredient which stimulates the metabolism of hair follicle cells specifically targeting hair growth and volume. Through its synergistic combination with biotin, the peptide’s functionality is further enhanced. Biotin is an essential vitamin which plays a crucial role in maintaining the health of hair, improving so its strength and condition. As a result, the hair feels softer and smoother giving it a stronger and healthier appearance.