@i3shoponline.com: Never before has it been so easy or affordable for you to look your best. The needle length of our hydrating roller is 0.2/0.25/0.3mm. This length is perfect for exfoliation! The Hydration Roller is a 2-in-1 system. As you roll the microneedle roller over your skin, it simultaneously uses your favourite serum. #lipbooster #lipstickchallenge