Alterna's Restructuring Bond Repair 3 in 1 Sealing Serum is an all-in-one hair treatment that repairs, protects, and seals hair in a single step. The serum is specifically designed to target common hair concerns such as breakage, split ends, and frizz. It works by deeply penetrating the hair shaft and creating a protective barrier to prevent further damage. This versatile serum is suitable for all hair types and can be used alone or in conjunction with other hair care products to improve the overall health and appearance of your hair.