This serum is for Dry, Coarse or thick, Frizzy Hair. The serum both nourishes and protects for intense smoothing. Enriched with Argan Extract, a naturally derived softening ingredient, the formula ensure intense smoothing. With 48 hour protection against dampness or humidity to control and prevent frizz while leaving hair silky, soft and manageable. To use: Apply to washed, towel dried hair. Apply a few drops of serum along the lengths of your hair. Spread through your hair, paying particular attention to the ends. No need to rinse. Can be applied to dry hair for a more intense smoothness and shine.