I had a forehead lift at the Shinnonhyeon Station Wrinkle Specialist Hospital, and they said it was too cheap. Maybe they didn't do a proper detachment of the corrugator muscle, but it came down after a month and only my forehead got wider and no lift was done. Ha... I'm depressed, I was definitely told I had a detachment of the corrugator muscle, but the difference before and after was Even if you look at it objectively and in the photo, there really isn't a single thing.. They won't give you a refund, right..?