Gua Sha is a modality in Traditional Chinese Medicine that has been passed down for thousands of years from generation to generation in Chinese households With our medical grade Stainless Steel Gua Sha heart, you no longer have to worry about your tool accidentally slipping through your fingers. No chips, no breakage. A hypo-allergenic substance that glides so effortlessly that you require very little to no oil or serum. Tool can be sanitized between use. Facial Gua Sha helps to: Encourage blood circulation Supports lymphatic drainage Depuff skin and firm the look of skin Helps to relieve facial muscle tension Directions: Use light to medium pressure. Keep as flat as possible against the skin when using along the face. Use the edge side for targeting areas for relief.