Formaldehyde Free Formula: This hair treatment does not contain formaldehyde for a safer formula. Keratin Infused: The treatment contains keratin to help repair and strengthen damaged hair. Gel Texture: The treatment comes in a gel formula that is easy to apply and distribute. For All Hair Types: This treatment is suitable for all hair types and textures. 33.8 Fl Oz Bottle: The treatment comes in a 33.8 fluid ounce bottle for a full-sized treatment.