More than your ordinary anti-frizz serum, TRESemm Keratin Smooth Shine Serum’s non-greasy formula calms unruly hair for a look that’s perfectly polished and full of natural movement. Inactive Ingredients: Cyclopentasiloxane, Cyclohexasiloxane, Dimethiconol, Phenyl Trimethicone, Sclerocarya Birrea Seed Oil, Hydrolyzed Keratin, Fragrance (Parfum), Aminopropyl Dimethicone, Dimethicone Crosspolymer. Suggested Use: Start with Tresemme Keratin Smooth Shampoo and Conditioner. Dispense one pump of serum into palm of hand and rub hands together. Add more if necessary. Apply from the mid lengths of wet hair through to the ends. You can also apply a small amount on the ends of dry hair for added softness and shine. UPC: 000002256100 Weight: 0.75 lbs RKU: ULT2256100