Natural Crystal Stone Face Roller and gua sha set in display box. Comes in 4 styles of stone Opalite Tigers Eye Rose Quartz Amethyst Using these stone tools can have many benefits for the skin: Puffiness in the morning? Using a Face Roller can help reduce the appearance of puffy skin and wrinkles by stimulating lymphatic drainage. These tools can improve elasticity in the skin, blood circulation and blood flow creating a more even and bright complexion in the skin. If you use serums , moisturisers or oils, these tools are perfect for distributing your product over the skin .