Reviv is a neuromuscular mouthguard designed to enhance jawline definition and facial symmetry overnight. Made from soft, BPA-free silicone, it gently aligns the jaw, reduces clenching, and supports the Curve of Spee. Ideal for looksmaxxing, Reviv promotes a sharper, more sculpted appearance without surgery, fillers, or daytime effort. https://www.eng-reviv.com/