Our Matrixyl 3000 Serum has Matrikines, an anti-wrinkle complex which helps reverse the signs of aging. It helps aging skin act like small skin and cuts down on the cutaneous picture injury by restructuring the breakable community of the papillary dermis. We include Hyaluronic Acid to increase the benefits. Application: Apply 2-3 drops to fingertips and smooth onto cleansed skin morning and night. Active Ingredients: Matrixyl 3000 - Major crease battling element used as an alternative to Retin A. Increases collagen synthesis up to 350 %! We are using a 4 % concentration for maximum results. Hyaluronic Acid - One of the more effective hydrating as well as moisturizing ingredients available nowadays. Holds as many as 1000 times its weight in water. This serum has 1 % HA.