eCosmetics is an authorized retailer of Peter Thomas Roth.Clinically tested serum helps visibly increase the look of plumpness and fullness with plant-derived Exosomes, Growth Factor and Stem Cells.Engineered to help improve the look of collagen loss, these science-backed ingredients promote the look of healthy skin. The formula is boosted with Collagen, Elastin, Hyaluronic Acid and Glycerin to help enhance the look of youthful volume, elasticity and bounce. Skin is left feeling strong and resilient.