MASK This rich dual action cream mask helps to balance the scalp’s microbiome* and beautifies hair. Infused with betaine and pro vitamin B5, the deep moisturizing hair treatment provides long-lasting frizz control for smooth and nourished hair. Who is it for? Clients with very dry hair who are looking for a deep nourishing hair treatment. Key benefits Provides long-lasting frizz control. Deep nourishing hair treatment that locks moisture into the fiber. Smooth and nourished hair. * When used with RE/START shampoo.