#Blackhead Remover Vacuum Pore Cleaner with Camera# How to use it to avoid bruising? To avoid such problems, we recommend that you perform the following steps: 1. Clean your face with facial cleanser first; 2. Wipe the face with a steamer or a hot towel for 5 minutes and open the face; 3. Slide this blackhead removal machine on your face in a horizontal direction instead of a vertical direction; 4. After treatment, use ice mask to shrink and moisturize pores.