Garnier introduces a new generation of face masks for women that infuses skin with 1 week of serum with 1 mask. Use Garnier Light Complete Sheet Mask if you have dull, de-hydrated skin with spots. It is enriched with Lemon and Vitamin C and will instantly hydrate and brighten your skin in just 15 mins. It will also help in reducing spots, The tissue mask has been dermatologically tested. How to use Unfold the mask. Apply on clean face with blue protective film facing outwards. Remove the blue film. Adjust the mask to the contours of your face. Leave it on for 15mins. Remove mask and gently massage your face with the excess serum.