Med B Premium Black Pearl Hydrogel Eye Patches Eye Patches contain black pearl extract. The dense gel essence containing black pearls nourishes, moisturizes and tightens the delicate skin around the eyes. With the regular use of patches, dark circles, puffiness under the eyes, and fine lines are smoothed out. The skin is rejuvenated, it becomes more firm and elastic. The hydrogel from which the patches are made contributes to better penetration by reacting to body temperature. Patches are convenient to use, hold well on the skin and do not slip.