When the wax is fresh and still malleable, you usually have two options: cool it down fast to stop spreading, or if it’s already mostly set, lift it out in chunks. Timing matters because hot wax on fabric can smear across a larger area.
If the wax is hardened, your job is simpler. The goal is to make it brittle—often with cold—so it releases from the fibers. If you try to use heat too early, you may melt wax into places you can’t easily reach.
Before you start any method, check the fabric care tag if you have one. “Dry clean only” doesn’t mean “do nothing,” but it does mean you should be extra cautious with liquids and heat.