Instruction:

1. Use medical alcohol (75%) to disinfect the derma roller and the area of the skin which to be treated;

2. Clean your face w/ facial cleanser;

3. Roll the roller back and forth on your face for 3~5mins while dropping functional nutrition on your face at the same time;

4. Do not roll hard for the first time use;

5. Apple moisture mask on your face and do not wash it away.