Crystal Multi Needle 4 Pin Needles Mesotherapy Needle Disposable Painless Meso Needle for Beauty Facial Skin Care 34G 1.2mm/1.5mm 4 Pin MICRO NEEDLES: The Microneedle is an innovative single use medical device, which enables a nearly painless and accurate injection into the dermis. The microneedle is made up of 4 silicone micro-cones of 1.2 mm or 1.5mm, making the needle three times smaller than anormal injection needle. Furthermore, the needle improves patient comfort and minimizes the risk of bruising.