
What Hyaluronic Acid Does for Skin, and How to Use It Well
Hyaluronic acid draws water into the skin's surface so it looks smoother and feels softer. Here is how to apply it on damp skin, seal it in, and fit it into a routine.

Where Hyaluronic Acid Shows Up in Our Formulas, and Why
Hyaluronic acid, as sodium hyaluronate, is in four of our face formulas. Here is what it does in each one, and which of our products do not use it.

Hyaluronic Acid: Which Claims Hold Up and Which Do Not
Hyaluronic acid is an excellent hydrator, and that is what the evidence supports. We weigh the thousand-fold water claim, molecular weight and the idea that more is better.








































