Here’s How to Make Waxing Less Painful About 30 minutes prior to a wax, take an over-the-counter pain reliever. Whichever over-the-counter pain reliever you usually take — ibuprofen, paracetamol— can be taken about 30 minutes prior to waxing to help minimise the pain. Take a yoga class before getting a Brazilian. If you want to go the whole way, I ...