Use process: 1.Cleansing, using facial cleanser to clean face, with KSKIN facial cleansing instrument is better 2. Steam face, use a steam face instrument to soften blackheads 3. Export, clean again, deep clean (Turn on, down scraper head and moves slowly in the reverse direction of 45 degrees) 4.Import, match essence, absorb better (After cleansing, apply the essence to the face, scraper head upward 45 degrees, and move slowly against the pores) Precautions: 1. Sonic wave must ensure adequate facial moisture during work, use spray/toner 2. When using, do not stay on the face, need move slowly 3. If there is inflammation on the face, use it after the inflammation disappears