Use with a moisturizing, waxy-type conditioner (protein loves moisture!) If hair feels dry after application, then most likely the conditioner was not moisturizing enough. You can apply conditioner again the next day to compensate for not enough used with treatment. Never apply the protein directly to hair, must be mixed with conditioner. Do not use more than once every 14 days. Do not use on hair extensions secured with protein. Do not use Pure Protein when using other protein products (including protein shampoos or protein conditioners). This product will not straighten your hair.