Size:1 bottle The Timeless serum collection contains high concentrations of hyaluronic acid and active ingredients that you won't find anywhere else. All natural and paraben free, we don't use excess ingredients to make up for the lack of actives. We like to keep it simple and effective. Coenzyme Q10 - antioxidant that provides cells with energy to build collagen and elastin. We use a 2% concentration for maximum results. Matrixyl 3000 - major wrinkle fighting ingredient used as an alternative to Retin A. Increases collagen synthesis up to 350%. We use a an 8% concentration for maximum results. Hyaluronic Acid - one of the most powerful hydrating and moisturizing ingredients on the market today. Holds up to 1000 times its weight in water. This serum contains 1% HA. Try this product today and see what a difference Timeless Skin Care can do for you!