Activation of melatonin is a hormone of youth and beauty. Delicate skin care around the eyes. Any coverage, even the most insignificant, reduces the production of the hormone of youth and the beauty of melatonin. Silk Mask for Sleep Silk Silk helps you relax and sleep better, because it blocks 100% of the light. The most delicate pad of 100% natural silk, which is inside the mask, creates the effect of a weightless cloud. Silk mask Silk allows delicate skin of the eyelids to breathe because it is breathable. Leading beauty experts - from world-renowned dermatologist Rebecca Casin to the most popular make-up artist in Hollywood, Charlotte Tilbury - consider “beauty sleep” a necessary component of daily self-care.