JO Prolonger Gel Desensitizer Benzocaine Free 2 ounces from System JO. Maximize pleasure with JO Prolonger Gel, a regular strength gel that uses natural numbing ingredients to slow the onset of ejaculation. The addition of peppermint oil is designed to enhance the prolonging effect while also providing a natural plumping sensation. Perfect to use during solo play and foreplay, this gel offers a more thrilling application, with a longer lasting effect. Key features: cream improves sensation. A nature inspired delay gel. All spice and patchouli oil provide a natural numbing effect. Ideal for men who want longer lasting effects with a regular strength formula.