As we age, the proteins, lipids, and molecules that make up our pores and skin barrier and construction decline. Our our bodies naturally produce their very own provide of collagen, ceramides, hyaluronic acid, squalene (and so forth.) all through our lifetimes. However the charge of this manufacturing slowly reduces till the physique can not make sufficient to revive the pure ranges, they usually start to taper off. And thus, we see the outcomes: elevated dryness and lack of firmness.