Strengthens hair follicles and promotes healthy growth for visibly denser, fuller hair. Enriched with Keratin Amino Complex™ and a clinical-strength peptide, this lightweight serum nourishes the scalp, reduces DHT buildup, and supports thicker, shinier hair with daily use. 2 fl. oz. Apply to dry or towel dry hair. Spray serum directly to the scalp and massage with fingertips. Do not rinse.