Hello, I don't have any type that gives the best results. Usually, we use it. a variety of together To work at different levels of the skin (small is absorbed into the skin, large acts on the top layer of the skin), the easiest is to use
4D Hyaluronic Acid will be a combination. between different molecular sizes This makes it easy to use in formulas. and using just one is enough
by patarapolchuon » Mon Oct 28, 2019 4:31 pm 
