ProSynergen DF is produced with a novel approach to incorporate the principles of dual fermentation techniques to create a competitive environment for Lactobacillus and Ulkenia. Key Product Attributes: Improves skin barrier function Promotes skin firmness Reduces appearance of fine lines and wrinkles Improves hydration by natural hyaluronic acid expression Inhibits retinol-induced irritation (in vitro) Prevents visual signs of premature agingSneakers