HAIR GROWTH, HAIR RETENTION, BONDING, STRENGTHENING AND MORE! Improves strength and elasticity in even the most damaged hair, in fact, the greater the damage the more noticeable improvement. Forms a cuticle-protection film to defend against thermal damage while also reducing breakage and delivering smoothness, shine, softness and manageability to hair. Our hair repair serum is fortified with a cocktail of vitamins, amino acids and peptides that protect against free radicals, pollution and UV damage. This potent leave-in serum contains 66% of active ingredients yet the weightless formula leaves hair silky-soft with a brilliant, frizz-free shine. Discover your hair’s true strength thanks to our hair repair serum. An intensely repairing serum that works at the molecular level to repair broken bonds reversing hair fiber damage back to virgin hair.