Perskindol Gel for Muscle & Joint Relief Perskindol Gel for Muscle & Joint Relief contains plant-based essential oils that provide dual action relief. Phase 1: The unique ingredients in combination with menthol penetrate the skin deeply, affecting the receptors for cold & giving an immediate cooling sensation. Phase 2: The initial cooling effect is quickly replaced by a soothing heat as the essential oils work together to activate peripheral circulation. Ingredients Levomenthol, Pine Needle Oil, Orange Oil, Wintergreen Oil, Bergamot Oil (free of furocumarin), Lemon Oil, Rosemary Oil, Lavender Oil, Terpineol, Terpenyl Acetate. Directions Adults & children over 6 years of age. This product can be used before or after sporting activity.