Barrier Restore SerumKRISTINA HOLEY intended this product to be initially used for clients with weakened barrier layers, but found through client trials that every one reported an increase in comfort in their skin, less need for heavy moisturizers, and an absence of dryness even in extreme conditions. The key to healthy skin is water balance of the stratum corneum. This groundbreaking serum maintains barrier function in two ways. First, it replaces NATURAL MOISTURIZING