Groupon sells 540 'needle' version of the derma-roller for R299.00. These aren't even proper needles - they are steel discs that have been cut into what LOOKS like needles. In my opinion they CUT into the skin instead of puncturing the skin as a proper single needle version does. Very dissappointed in this product. Also when I cleaned my roller and shook the head for the excess water to come off, the roller head went flying. Groupon, please stop selling substandard products!
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