How often to use roll the skin?                                                                                       
Rules of thumb:
1. 0.2mm or 0.25mm roller can be used every second day.
2. 0.5mm roller can be used once a week. 
3. 1.0mm roller can be used once per three weeks.
4. 1.5mm and above roller should not be used more often than once every 5 weeks.

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