... the skin with delicate poreDuration 3 years Usage Clean the face, then take out the mask apply ... is 20 minutes, and facial massage in order to ensure that the collagen fully absorb, take off ... also called anti-aging factor, to human body skin metabolism, played an important role. Hyaluronic acid is ... skin moist, relaxed, make skin more elastic, rise to anti-wrinkle anti-creasing, slow the skin aging, ...