Derma roller

1.Use natural healing ability of human body, not stiffen skin or make skin cells shrinked.
2.Micro-needles can make a lot tiny channels and thus make ingredient dffectively penetrate the skin (can produce more than 300000    small holes in just minutes),making direct effects in the dermis.
3.Minimal side effects.
4.Micro-needles therapy is effective, safe and reliable with simple operation and reasonable price.
5.The micro-needle careis simple,can do common outdoor activities, including bask-ing.(note:anti-sunburn supplies are needed)

6.Spec:0.2mm,0.5mm.1.0mm,1.5mm,2.0mm

7.For the model, if you do not want to add the vibrate function, the price will be 7.5 USD/pc. 
The changeable heads can be 75 needle, 200 needles, 540 needles.