Firenze Professional Keratin Mask Hair Treatment sulfate paraben free 13.5 oz Buy 2 or more items we'll expedite your order at no additional cost. Firenze Professional Keratin restores your hair using nourishing ingredients. Provides softness, shine, and elasticity necessary for healthy hair. Keratin hair products are best for hair that has been straightened, smoothed, or undergone any chemical treatments. Enriched with hydrolyzed wheat and keratin protein to repair hair from damage. Infused with hyaluronic-acid, panthenol, linoleic-acid, jojoba oil, and wheat germ oil, which help nourish damaged hair. Hair Care experts recommend using shampoos and conditioners rich in nutrients and free of salt after a straightening procedure or an intensive keratin treatment. Salt acts as a counterproductive agent, which promotes the persistent curling of hair and the recurrence of frizz. Keratin products, contain highly e?cient conditioning agents and hydrolyzed keratin, which leave hair shiny, healthy, and frizz free. Best Used For Straightening or Smoothing Treatments Extremely Damaged or Over Processed Hair Thick, Coarse, and Frizzy Hair