Simply Smooth xtend keratin reparative magic potion is a botanically blended, keratin and collagen infused, all-purpose leave-in styling and conditioning potion that instantly hydrates thirsty locks, detangles, seals cuticle, defrizzes, smooths while adding thermal protection. Our unique formulation restores depleted keratin into hair fibers restoring and rebuilding damaged hair, enhancing strength and elasticity and protecting hair from future damage which results in improved hair growth.