This gentle conditioning and detangling formula works to smooth and tame unruly and frizzy hair. Moroccanoil AminoRenew TM Smoothing Conditioner, featuring our proprietary ingredient, restores depleted amino acids to strengthen and align hairs natural keratin structure. Strands are instantly nourished with antioxidant argan oil and argan butter, leaving you with healthy-looking, calm, manageable and smooth hair. When used with Moroccanoil AminoRenew TM Smoothing Shampoo, results can last up to 72 hours.