Hyaluronic acid — not just moisturizing: why cosmetics will not replace fillers
5 facts about the popular ingredient
Hyaluronic acid (HA) has long been a star of the cosmetic world. It is added to creams, serums, masks, and also used in the form of injectable fillers — all for the sake of moisturizing, elasticity, wrinkle reduction. But a logical question arises: If it is so good, why are fillers still a separate procedure that no cream can replace? Let's break down a few facts from the perspective of molecular chemistry, skin physiology and clinical practice.