Sometimes opposites don't just attract, they work better together. Take retinol and hyaluronic acid—two skincare ingredients that are completely different, but when mixed or layered correctly, can ...

Hint: You're probably already mixing them.

If hyaluronic acid sounds familiar, that’s probably because this ingredient is showing up in a wide range of beauty and skin care products. Hyaluronic acid’s popularity likely relates, at least in ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...