I pressed it on my skin at the maximum sucking and it left a giant purple mark. It's embarrassing because it's so noticeable. I still have it on my chin. There should at least be a warning about this happening. I guess I have sensitive skin because all it did was suck. I advise not to leave it on longer than 3 seconds at maximum sucking.
Bottom Line: No, I would not recommend this to a friend
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