BOY BUTTER EXTREME H2O a is a totally water based creamy desensitizing lubricant that contains 7.5% benzocaine, a topical anesthetic. Boy Butter Extreme H20 is latex safe, vaginally safe and feels and acts exactly like the Boy Butter H2o formula but has the added desensitizer. Boy Butter Extreme H20, increases comfort associated with penetration and can reduce ill effects of premature ejaculation. Our tag line for Boy Butter Extreme H20 is "Takes the Fussy out of your bottom." and lives up to its name.