Product Features It can stimulate the growth and activation of fibroblasts and epidermal cells, make the skin naturally produce a large amount of collagen, elastin and hyaluronic acid, and promote skin metabolism, achieve skin repairing effects, and quickly restore the state of young skin. Particularly suitable for use after microneedling, IPL and laser treatment. Ingredients EGF Extract Directions Take out the inner mask of the tin foil first, and then apply it directly on it. Leave it for about 15-20 minutes. After the essence is absorbed, you can directly apply the essence or cream.