1. Do not use any blackhead tool on acne which is not enough matured .
2: Facial redness: Because you press the skin when using the remover tool, It will disappeared after a short period of time;
3: inflammatory: It maybe the tool did not be disinfected before use or be contaminated or the skin bacteria,
please use the tea tree or lavender essential oil, it will help the marks and inflammatory subsided.
4. Use medical alcohol to disinfect tools after and before use.