Simply Smooth xtend keratin replenishing spiral gel was developed with high quality keratin and nourishing botanicals. It restores depleted keratin into hair fibers, repairing damage, increasing tensile strength and elasticity. Simply Smooth xtend keratin replenishing spiral gel protects hair from future damage, improving hair’s overall texture and quality, resulting in improved hair growth. This sodium chloride free curl defining tel is formulated to benefit all hair types, whether or not a Simply Smooth keratin treatment has been applied. When used after a Simply Smooth keratin treatment, xtend keratin replenishing spiral gel will also help prolong its duration in addition to adding incredible defined curls. Sodium chloride free and color safe. Gives curls soft-to-medium definition. Holds spiral curls in place. Eliminates frizz, smoothes and intensifies shine.