Ideal to pair with ON Arousal Oil for Her for an even wilder experience. This formula is a water based hybrid and is safe to use with silicone and latex products. Ideal to pair with ON Arousal Oil for Her for an even wilder experience. On Insane comes in a hybrid base so it is long lasting, hydrating and never feels sticky or tacky. It is also menthol free, and contains no glycerin or parabens.