JO H2O Warming has the performance of our most popular water-based formula, with the added benefit of a moderate warming sensation that enhances all types of play. Not compatible with polyurethane condoms. Key Ingredients. Glycerin is used as the primary glide ingredient to provide the slippery texture. All JO products use sustainably sourced, plant sourced glycerin of the highest quality. Capsaicin; a natural warming agent derived from chili peppers. Causes a warming sensation when it comes in contact with mucous membranes.