The expert combination of powerhouse ingredients in this formula, represented by the name H.C.F. (Hyaluronic Acid, Vitamin C+ Niacinamide, and Ferulic Acid) is designed to deliver optimal anti-aging benefits in one triple dose. It targets visible improvement of aging signs, layer by layer: Layer 1 – Volume Loss, Layer 2 – Wrinkles, and Layer 3 – Dark spots Holding the product horizontally over the palm of your hand or fingertips, press down on the pump until the 3 formulas appear. For one application, dispense 2 pumps into the hand. Note: For first-time usage, turn the bottle upside-down and shake firmly a few times to prime the pumps to dispense the formulas. Mix together in your hand until the 3 formulas are blended into a single serum texture. Use daily, in morning and evening skincare routine.