You don’t need to spend a lot to find a good hydrating serum. Here, we round up the best ... one gram of hyaluronic acid can hold up to six litres of water, retaining 1,000 times its own weight ...

Will and Melissa Rosebro’s 10-year-old daughter is asking Santa for the Bubble Skincare Water Slide hydration-boosting serum with hyaluronic acid this holiday season. She has no idea if her skin ...