Simply Smooth xtend keratin replenishing calming balm was developed with high quality keratin and nourishing botanicals. It restores depleted keratin into hair fibers repairing damage, increasing tensile strength and elasticity and protects hair from future damage, improving overall texture and quality of hair which results in improved hair growth. Simply Smooth xtend keratin replenishing calming balm is safe on all hair types and will benefit whether or not a Simply Smooth treatment has been applied. When used after a Simply Smooth treatment, it will help to prolong its duration. Sodium chloride free and color safe. Creates a smooth, frizz-free blowout or defines frizz free curls without crunch. Hydrating, non-flaking versatile styling balm. May be used as a one shampoo keratin treatment. Protects hair from thermal damage and reduces drying time.