Glisten Ultra Silicone 4oz GLISTEN ULTRA SILICONE is a silicone-based personal lubricant for penile. anal and/or vaginal application. intended to lubricate and moisturize. to enhance the ease and comfort of intimate sexual activity and supplement the bodyandrsquo;s natural lubrication. This product is compatible with natural rubber latex. polyisoprene. and polyurethane condoms.