Jo Prolonger Spray with Lidocaine Male Genital Desensitizer 60ml e or approximately 2 fluid ounces. Enjoy intimacy and last longer. Jo Prolonger Spray is a maximum strength topical desensitizing spray specifically designed to slow the onset of ejaculation and enhance stay power. Apply a small amount to the head and shaft of the penis prior to intercourse to maximize pleasure. Key features: a maximum strength desensitizing spray. Glycerin free. Works quickly to improve staying power. Travel size bottle. Compatible with natural rubber latex condoms and polyisoprene condoms. Not compatible with polyurethane condoms.