• Male genital desensitizer spray helps in temporarily prolonging the time until ejaculation • lidocaine usp 13% (approximately 10 mg per spray) • safe and effective. Clinically tested • non-irritating • registered with the food and drug administration ndc 69664-001-01 Dynamo delay helps couples enjoy longer-lasting sex with a clinically tested fast-acting formula that provides safe and effective results. This non-irritating spray temporarily prolongs the time until ejaculation using a concentrated 13% lidocaine formula, which provides a topical numbing sensation that works in minutes and lasts for hours! Improve stamina, increase endurance, and prolong pleasure without a prescription!