Daily Smoothing Serum is a unique leave-in styling protectant that smooths, conditions and detangles while protecting the hair from thermal styling and environmental damage. An exclusive  Super-Nutrient Complex infuses the hair with a rich source of amino acids to help strengthen and reconstruct while locking in moisture and locking out humidity. The end result is smooth, frizz-free, radiant hair. Full spectrum UVA/UVB protection.