Hyaluronic acid is able to retain significant quantities of water, having the highest moisturizing power,e, among all cosmetic active substances.
Water is found mainly in the dermis and in the interstices between one cell and another..
Once it reaches the epidermal surface, it evaporates slowly so that its percentage in the tissues remains constant.
But external conditions and free radicals inexorably begin their destructive work; the cells of the stratum corneum lose their elasticity and peel..
Here is the importance of the Collection at this point Hydra which in addition to moisturizing and soothing factors, contains substances capable of preventing excessive evaporation and strengthening the hydrolipidic mantle..