... , but differing slightly in terms of effect and longevity. It is used for lip augmentation, reduction of folds and wrinkles and ... known as glycosaminoglycans (GAGs). In addition to HA, GAGs also include chondroitin sulfate, dermatin sulfate, keratin sulfate, heparin, and heparin ... across the spectrum of body tissue types occur. Therefore, it is logical that we would supplement the skin directly with HA ...