Facial massaging tools have become stalwarts in celebrity skincare routines. The so-called gua sha tool is a standout, promising sculpted cheekbones and a brighter complexion with just a few strokes.

Experts reveal what a gua sha actually does and if you should be using one. Facial massaging tools have become stalwarts in celebrity skincare routines. The so-called gua sha tool is a standout, ...