This product is: A gua sha tool designed to have a contouring, firming, and lifting effect on the skin. Good for: All skin types, including mature, acne prone, sensitive, normal, oily, and combination skin. Why we love it: The Mount Lai Stainless Steel Gua Sha Tool helps to contour facial features, release stress & tension, and firm & lift the skin with consistent use. Gua sha has been practiced in Traditional Chinese Medicine for thousands of years. Benefits of Stainless Steel include: ULTRA COOLING: Cool to the touch, stainless steel soothes the skin and decreases facial puffiness. DURABLE: Less prone to breakage and more resilient to drops, making it perfect to use for any situation, even when traveling or in the shower. PROFESSIONAL GRADE: High quality stainless steel allows for deep cleaning and disinfecting for professional grade usage.