dermis, which result clinically in wrinkles, loss of elasticity, and rough-textured appearance.
In this context, different dermal fillers have been used to overcome these negative effects
associated with skin ageing, such as hyaluronic acid (HA) and poly-L-lactic acid (PLLA).
Despite their low immunogenicity, these materials can cause an inflammatory reaction after
application. Materials and Methods Considering high demand of HA and PLLA as filler …