Brand from South Korea: AQUTOP. Instead of liquid form serum, AQUTOP introduces you a new technology: Facial Topping Ball which contains 50mg essence each. When it melts, moisture is replenished and forms protection. Helps retain moisture and refine skin texture. How to use: 1. Use one Topping Ball each time, add some toner to it and wait until it melts. 2. Gently apply from inside to outside along the skin texture.