Our rejuvenating and brightening essence is carefully formulated with glycerin and hydroxyethyl cellulose. Designed specifically for deeply moisturizing the skin stimulating collagen production helping to increase skin elasticity effectively reducing the depth of wrinkles fading fine lines on the face and improving skin texture issues. The usage method is extremely convenient: 1. Thoroughly clean and dry the skin first. 2. Open the cap of the essence and install the 64-needle roller head on top of the essence bottle. 3. Use a roller to roll evenly on the skin surface to distribute the microneedles over the entire facial skin. Each use should last for 15 to 20 minutes. Moreover it can brighten the skin tone give the skin a lustrous texture enhance the overall complexion relieve skin discomfort provide gentle care for the skin and maintain the skin's stable state.