Short answer
It's best not to. Numbing or desensitizing products dull the pain signals that tell you to slow down or stop, which makes it easier to cause small tears without realizing. A thicker water-based lube, a proper warm-up with a smaller toy, and slow breathing are much safer ways to make a larger size comfortable.
Read the full guideButt Plug Size Guide: How to Pick and Size Up SafelyButt plug size guide: how to read diameter and length, what size to start with, and how to size up safely and comfortably, one step at a time. Updated November 9, 2026 · All questions
