for first timer i suggest try 10-15 minutes, if any irritation occur, immediately stop using, eventhough it did not irritate my sensitive skin i dont know about yours, each skin type is different #meditherapy #melajuran #melajuranwhitetoningfilm #skincare #koreanskincare #whiteninghack #skinwhitening #whiteningmask #sensitiveskin #productreview #begkuning #recommended #recommendedskincare #fyp #fypシ #foryou #foryoupage #foryourpage