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