Hydrophilic gel, strong gel layer, nourish the skin for a long time, the smile line patch can tighten the skin and enhance the smile line elasticity. Revitalizes and nourishes the skin, makes it look younger, reduces wrinkles, and effectively repairs the skin. The left and right plaques can be used in pairs to cover a wider area on both sides of the mouth-smile lines, lines of marionettes and lines that appear around the mouth and upper lip, for long-term nourishment, firmness and lifting for 8 hours.