... through the skin surface in a very short period of time.On the other hand, micro-needle can also stimulate the ... effects will be much better. Instruction for the Micro-needle Operating TimeFirst stage: once in 3-5 days (total of 10 ... : once in 10-15 days (total of 10 times)Massaging time for each treatment: 5-7 minutesColor box Product No.: M ...