There is a very important reason to drink more water and eat more fats.... and use your hydrating serum and moisturizer: Impaired Enzyme Activity. "Impaired Enzyme Activity is the new terminology for DEHYDRATION. When skin is dehydrated it there is no "enzyme activity". Without enzyme activity, nothing happens. Enzymatic and chemical activity in the skin happen in the presence of a water based gel or substance like NMFs or GAGs. Without NMFs or GAGs no enzyme activity will oc