Hada Labo Tokyo Begin with clean, dry skin. Unfold Hada Labo Tokyo Premium Sheet Mask and place it on your face, aligning the cutouts. Smooth out any air bubbles for a snug fit. Relax for 15-20 minutes while the mask works its magic. Gently peel off Hada Labo Tokyo Premium Sheet Mask, no need to rinse. Massage the remaining serum onto your skin, neck, and décolletage. Follow with your routine if desired. Use Hada Labo Tokyo Premium Sheet Mask as often as needed for your skin. Check product instructions for optimal use. Hair Gels