I think you can look up some websites (google dr jart authenticity) that allow you to enter the product batch code to check. I find it best to only buy from authorized dealers or not buy at all, because it can honestly be very hard to tell if skincare is counterfeit. I hope that helps!

Thanks for your review. But I would like to ask how to differentiate the fake one 

So much waste! Very expensive, for very standard sheet mask results. Nothing special IMO.

My skin was softer and hydrated after using this. The mask has good skin ingredients, but overall pretty standard results.

Dr. Jart+ - Sugoisarahpicky review for Hydration Lover Rubber Mask

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