Hyaluronic Acid: What It Does in a Skincare Routine
Hyaluronic acid (HA) is a humectant ingredient used in many facial serums. On skin, humectants help support a hydrated-looking surface when used with moisturizer. Where it sits in…
-
-
Vitamin C in Skincare: When and How to Use It
Vitamin C serums are often used to help improve the appearance of dullness and support a brighter-looking complexion. Formulas differ — follow the product directions on your bottle.…
-
Hyaluronic Acid vs Niacinamide: What’s the Difference?
Both ingredients appear in modern face serums, but they play different roles in a cosmetic routine. Hyaluronic acid — often chosen to help skin look more hydrated.Niacinamide —…