Hyaluronic acid (HA) is the latest skincare darling, splashed across serums, moisturizers, and even touted as a magic ingredient in injectable fillers. But what exactly is it, and is it all it's cracked up to be? We're diving deep into the world of HA, exploring its benefits, side effects, and how to incorporate it into your routine. The Moisture Masterclass Hyaluronic acid is a naturally...