Apply a small amount of this gel to the penis head and shaft, and allow 5 minutes before intimate contact. Numbing sensations last approximately 20-30 minutes and easily wash off with water. Be stronger, last longer! Ingredients: Active: 5% Benzocaine USP w/w (Topical Anesthetic) Inactive: Cellulose Thickener, Methylparaben, Peg-8, Propylene Glycol, Propylparaben, Water.