What it is: An intensive anti-aging treatment featuring Bioeffect's most potent formula.Who it's for: All skin types.What it does: This 30-day treatment features three different growth factors natural to human skin that dramatically minimize wrinkles, pore size and redness while maximizing hydration, radiance and tone. How to use: Apply 3–4 drops to clean skin morning and evening. In the morning, wait 3–5 minutes to allow the serum to absorb before applying sunscreen or makeup. The treatment is specifically formulated as a highly concentrated boost to regular anti-aging skin care products to be used 1–4 times per year depending on your skin's condition. 3 bottles at 0.17 oz. each Fragrance-free; alcohol-free; oil-free This product meets Nordstrom Sustainable Sourced Ingredients criteria: ingredients are sourced through green biotechnology or green chemistry