I truly did not think anything work to numb when it came to tattooing. I mean, we all love them but they do not feel good. I bought this in hopes that it would do at least some numbing to make it a little easier to sit for 4 hours at a time. Let me tell you, it EXCEEDED my expectations. I thought maybe I would still feel something, but I felt NOTHING. I was completely and utterly numb. It was amazing!! You do have to use quite a bit, and let it sit for at least a few hours covered with wrap but ...