Smooth and tame hair for silky, frizz-free results with this gentle cleansing formula. Moroccanoil® Smoothing Shampoo with AminoRenew™ restores depleted amino acids to strengthen hair and align its natural keratin structure. Infused with argan oil and argan butter, this hydrating shampoo gives you more manageable, healthy-looking, smooth hair. When used with Moroccanoil Smoothing Conditioner, results can last up to 72 hours.