What Type of Hyaluronic Acid Is Best for Skin?
In 2008, a German skincare magazine reported a compelling article. It was mainly about the effect of different molecular weights of hyaluronic acid on the skin. This set of experiments consisted of three parts: Firstly, four different molecular weights of hyaluronic acid (20kDa, 50kDa, 130kDa, and 320kDa) were selected and their effects were observed in … Continue reading