1. Oil absorbing: The volcanic stone face roller has excellent absorption capacity. In addition, it can relax facial muscles and is suitable for all skin types. 2. Reusable: Volcanic stone wall roller can instantly remove excess facial oil, restore clean skin and keep cosmetics clean. Unlike oil absorption paper, it can be reused. 3. Portable: The appearance is very small, you can put the Vulkan face roller tool in your pocket and use it at any time, it doesn't take up too much space, it's easy to clean. 4. How to use: When cleaning, rotate the ring of the volcano roller to unlock it, then take out the volcano stone, wash with warm water and detergent, then dry it, lock it and use it again. 5. Working Principle: Volcanic Stone Ball is made of volcanic rock, which does not cause allergies, has no taste, environmentally friendly and lightweight. Specification: Item Type: Volcanic Stone Ball Material: Volcanic Stone Package List: 1 x Volcanic Stone BallWorking principle: volcanic stone ball is made of volcanic stone, which does not cause allergies, has no taste, environmentally friendly and lightweight. Focus on eliminating facial oils to keep skin fresh and comfortable. How to use: When cleaning, rotate the ring of the volcano roller to unlock it, then take out the volcano stone, wash with warm water and detergent, then dry it, lock it and use it again. Reusable and easy to clean. Portable: The appearance is very small, you can put the Vulkan face roller tool in your pocket and use it at any time, it doesn't take up too much space, it's easy to clean. Ergonomic design, easy and comfortable to hold. Reusable: Volcanic stone wall roller can instantly remove excess facial oil, restore clean skin and keep cosmetics clean. Unlike oil absorption paper, it can be reused. It immediately absorbs excess oil. Won't spoil your makeup. Oil absorbing: The volcanic stone face roller has excellent absorption capacity. In addition, it can relax facial muscles and is suitable for all skin types. Lightweight and small, it can be put in a pocket and removed for easy portability.