Smooth and tame unruly, frizzy hair 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.