This Vitamin C 10% Booster Serum is brightening, smoothing and firming, made for dull and tired skin. Formulated to deliver brighter, firmer feeling skin and even skin tone to reveal a more radiant complexion. This magical booster serum is about to become your new favourite skincare step, you’ll be glowing from the inside out. How to use: Apply 3-4 drops directly to the face or mix into your favourite day and/or night cream and gently massage into the skin until fully absorbed.