Dermelect Cosmeceuticals Rejuvenail Fortifying Nail and Cuticle Treatment -- 1 oz.Make longer, stronger and healthier nails a reality with Dermelect Rejuvenail Fortifying Nail and Cuticle Treatment, a true, anti-aging nail cream that is the first of its kind to utilize protein peptide to hydrate and strengthen nails while relieving ragged, painful cuticles. The breakthrough ingredient ProSina delivers keratin directly to the nail bed to enable stubborn nails to grow and improve their resistance to chipping and splitting. Treated nails have added moisture and flexibility, plus increased strength.