Optimize your skincare routine. This Discovery Kit contains three best-selling ingredients that allow you to customize your skincare routine for brighter, smoother, hydrated skin. With these targeted boosters, you have the power in your hands and can incorporate them into your existing products when your skin needs them - without fear of irritation. Made by us, blended by you. Set contents:Hyaluronic Acid 0.3% Hydrating BoosterPeptides 5% Smoothing BoosterVitamin C 20% Brightening BoosterApplication- 3 ways to use your boosters:Mix it up: Add the booster to your serum or moisturizer. Mix everything together and apply.Not so sensitive? Apply it directly to dry, cleansed skin before applying a serum, moisturizer or oil. Create your own serum: mix complementary boosters together for a powerful and customized formula.Avoid contact with the eyes. Discontinue use if irritation occurs.