GUA SHA AND ROLLER SET. Benefits: Lifts and Firms: Regular use can help create a lifted and firmer appearance of the skin over time, resulting in a more youthful appearance.. Features: Anti-Microbial: Stainless steel is non-porous, preventing microbial build-up that can transfer to your skin. Self-Cooling: Naturally cold to the touch, eliminating the need to store it in the freezer.. Includes: Facial Roller (1 ct). Gua Sha (1 ct).