After-sales service * Free replacement/re-fund If the product you received have any problem, you can enjoy Free replacement or re-fund. Please feel free to let me know. 24H after-sales service lf you have any questions about the use of the product,instructions, etc. Notice: 1-The red mark on the skin after cupping is normal, and it will disappear gradually in 2-3 days 2-If you feel that the suction is too strong, you can reduce the time to stay on the skin 3-After using this product, the blood vessels on the skin surface dilate. Please rest for 2 hours before taking a bath. High Product Quality We have a 3-month quality period for the products we sell. If there is any quality problem, we will give a war-ranty or return and re-fund promise, please rest assured to buy. About cupping and gua sha Cupping and scraping are kinds of alternative medicine products. They relieve fatigue, promote blood circulation and lymphatic drainage. Misunderstandings about cupping After cupping, "cupping hickey" indicates that there are more impurities in the body, cupping promotes the discharge of impurities, which is a normal phenomenon, and it will gradually disappear within 3-4 days.