How to use: 1. Take makeup off your face and neck. Wash your face and neck with antibacterial lotion and pat dry. Start rolling horizontally on the desired area and move around the area 4-5 times. 2. Repeat the same movement for 4-5 times vertically and diagonally. Just don't push the slide too hard. 3. Immerse it in disinfectant for 5 minutes after each use. Leave it in a clean open space to dry. Gently place it in the box so you don't damage the needles. 4. Please make sure the tool is dry before putting it back in the box. For best results, apply a fat solution of vitamin C, collagen or hyaluronic acid creams, essential oils or your favorite facial cosmetics. Please Sterilize The Roller and The Nursing Part with Alcohol. Please Apply Suitable Nutritional Lotion/Cream on The Skin. Rolling Back and Front 4-5 Times, Please Rolling More than Four Different Directions. Apply Nutrition or Mask Products on The Skin That Requires Care in Case of Skin Inflammation.