Hyaluronic acid (HA, a.k.a. hyaluronan) is a natural component of the skin and a major component of the dermal matrix. A huge molecule capable of retaining 1000 times its volume in water, it facilitates the exchange of nutritional and regulatory metabolites.In our skin, it stabilizes the intercellular (in-between cells) space in the dermis, and contributes significantly to cell proliferation, migration, and skin repair, activities essential to skin health. Hyaluronic acid is a linear polysaccharide, made by animals and by some bacteria, with long chains made of N-acetyl-D-glucosamine alternating with glucuronic acid.By definition, the molecular weight of hyaluronic acid is in the millions. Small fragments of broken hyaluronic acid can’t hold … Continue reading What do you want to know about hyaluronic acid?