For gua sha scraper, you can keep it at 15 degree angle when moving from the center of the face towards to hairline, then down the neck towards collar bone. immediately remove muscle tension as the roller smoothes fine lines and eliminates wrinkles, making your skin more radiant. this stone skincare tool kit is made of , with reinforced stainless steel holders, convenient to hold and easy to use. double-ended design, the smaller roller is used for eye area, while the larger one is for neck & face. it can be used to enhance anti-aging benefits and is safe and effective for all skin types.