The Ordinary. Hyaluronic Acid 2% + B5 is an effective product that helps combat premature signs of aging. Regular use of the serum will significantly reduce the number of wrinkles, make the skin elastic and even out the tone, perfectly moisturize and help to achieve a healthy and radiant appearance. The serum contains low-, medium- and high-molecular hyaluronic acid, as well as provitamin B5, thanks to which the acid molecules affect the deeper layers of the skin, providing you with luxurious hydration and transformation.