Been using these for about a month now and love them. I haven’t experienced any burning or any negative side effects. It feels very mild - NOTHING like the pads you used in the 90s! 🤣 I can definitely notice a difference in my pore size. Will repurchase! Prime day, medicube, Walmart deals, Walmart finds, Amazon finds LTKFindsUnder50 LTKBeauty LTKSaleAlert