Restore hair shine and vitality with our age-defying Pro Youth Hair & Scalp Mask. Infused with Pro-Vitali-B honey blend, retinol and probiotic to nourish, rebalance and fight the key signs of hair aging. Proud to be: Sulfate Free Cruelty Free Toxin-free Ethically Sourced Paraben Free Hair & Scalp Mask: After shampooing, evenly distribute a generous amount of product from scalp to lengths and ends of hair. Leave on for 5-10 minutes, then rinse with warm water. Use 1-2 times a week.