Using a gua sha tool can have many benefits, including: 
Reduced appearance of fine lines: Regular use of a r gua sha can smooth fine lines. 
Cooling effect: It is cooling and soothing on the skin. 
Tighter skin: Some users have noticed that their skin looks and feels tighter after using a  gua sha. 
Improved blood circulation: Using a  gua sha for at least five minutes a day can increase blood flow by about 25%. 
Reduced puffiness: The decongestant action of gua sha can help reduce puffiness and dark circles. 
Firmer skin: It can help release oxygen, which can improve skin elasticity and make it feel firmer. 
Radiant complexion: Gua sha can stimulate cells to give skin a healthy glow. 
Reduced muscle tension: Gua sha can help release muscular tension by stimulating acupressure points. 
Gua sha is an ancient Chinese massage therapy that involves using a tool to massage the face. The tool is often made from  a crystal that is believed to promote peace and unconditional love.