Fight oily and shiny skin instantly with the Facial Oil Absorbent Roller made of real volcanic stone! Beauty Roller is designed to follow the lines of your face while removing all traces of oil and metabolic residue accumulated on the skin. To clean, turn the locking ring clockwise to unlock and remove the volcanic stone. Wash with warm water and mild soap. Rinse and allow to air dry overnight. Makes the roller 100% reusable! OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.