5.Easy to Clean:When cleaning, twist the roller’s ring to unlock, then take out the volcanic stone, wash it with warm water and detergent, Just air dry, then lock it and it can be used again. 4.Environmental protection and no waste:Unlike oil-absorbing paper, you can throw it away once you use it. This oil-absorbing facial roller can be used repeatedly, which is more environmentally friendly and does not waste. 3.How to use: You just need to aim it gently at the oily area on your face and gently roll and massage it to easily absorb the excess oil. After use, cover the lid and put it back to the original place without occupying any space. 2.Small and Portable:Its appearance is very small, you can put it in your bag and use it at any time, and it does not take up a lot of space, light and portable. 1.reusable:This oil-absorbing facial roller is made of real volcanic stone, which can instantly remove excess facial oil, restore clean matte skin, and keep our makeup clean at all times and can be reused.