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its a portable microdermabrasion pen by zeny..I’ve used it 3 to 4 times.and now suddenly it has stopped vaccuming..the buttons are working.the led lights are working..it becomes on when it plug it but doesn’t product any suction.can any1 tell me what is the problem with it.its been just 3 months since I’vepurchased it.

If it’s only 3 months old it should still be under warranty. Take it back to where you bought it and ask for a refund or replacement.