I bought this derma roller because it was reasonably priced compared to others on the market. Big mistake, it broke after less than 4 months use (mind you I did not use it consistently/daily during this time). When I raised this with customer support, I was told the roller should be replaced every 3 months and instructed to buy a new one (I was offered a 15% discount code). It did not seem to matter that the roller itself was not the defect/ issue, but rather the frame which had completely falle...