... real manufactuer, professional OEM derma meso roller,Skin Needle Roller,micro needle roller,beauty roller ,derma roller is one of the ... quality.May help :1.Stimulate collagen fiber growth,2.Improve micro-circulation ,3.Enhance skin care product's activity substances into deeper ... functional nutrition liquid.It can puncture more than 250,000 micro vessels on the epidermal within five minutes,create an ...