Our hyaluronic acid roller serum contains glycerin, hydroxyethyl cellulose. It quickly penetrates into the skin, providing long-lasting moisture and helping to restore softness and smoothness. Its use method is very simple: clean the facial skin, keep dry, open the bottle cap of the hyaluronic acid serum, install the 64-needle roller head above the serum bottle, roll the roller evenly on the skin surface, and evenly apply the microneedles on the facial skin, each use lasts 15-20 minutes. It can quickly replenish water, lock water, fade acne marks, even skin tone, improve skin elasticity, and tighten skin.