
It’s one of the most popular skincare ingredients that you’ll see splashed across the packaging of serums, moisturisers, cleansers and more. But you may still be wondering, what does hyaluronic acid do, exactly?
Taking centre stage in the best hyaluronic acid serums, perhaps its most famous quality – and the one that’s probably most often cited – is its ability to hold up to 1,000 times its own weight in water, among others.