With only one mask, Garnier unveils a new line of face masks for women that provide skin with a week's worth of serum. For dry, dehydrated skin, use the Garnier Hydra Bomb Sheet Mask. In only fifteen minutes, this potent moisturizer with antioxidant-rich pomegranate extracts will restore your skin's lost hydration. Dermatological testing has been done on the tissue mask. How to apply Take off the mask. Apply with the blue protection film facing outward on a clean face. Take off the blue film. Fit the mask to your face's contours. Give it fifteen minutes. After removing the mask, gently massage the extra serum into your skin.