KERATIN TREATMENT SAFE / CHEMICAL STRAIGHTNER SAFE / COLOR SAFE / SULFATE FREE / PARABEN FREE / SODIUM CHLORIDE FREE Argan Oil is natural oil derived from the crushed fruit and nuts of the Argan Tree indigenous to Morocco. Argan Oil is high in unsaturated fatty acids, rich in omega 9 and naturally contains vitamin E that nourishes and replenishes dry brittle hair. Argan Oil Infused Hydrating Leave-In Nourishing Serum is excellent for locking in moisture and improving shine and luster. Great for all hair types especially chemical or color treated hair. Argan Oil Infused Hydrating Leave-In Nourishing Serum can be used daily. Directions: Following Argan Oil Infused Shampoo and Conditioner, for extra nourishment and manageability apply a dime size amount to towel dried detangled hair from mid length through ends. Proceed with blow dry and styling. If desired re-apply a small amount to dried hair through areas that need additional shine or control.