Maybe you think that hydrating is to replenish external water into the skin. that’s mistaken. The external water is all macromolecular moisture, it cannot enter the skin without special process. Hydration refers to the water content within the cells that leads them to swell and be plump and bouncy.
On the other hand, moisturizing is about trapping and sealing in moisture to build the skin’s protective barrier, prevent water loss and keep the skin soft and smooth.
Do you know how to choose the antiaging product now?