The Erosense line is entirely pH balanced, glycerin and paraben-free. It is made using a combination of truly healthy ingredients that are natural, organic, food-grade, EcoCert, EU certified. All three formulas are perfect for anyone, including people with sensitivities and allergies. Aqua is an all-natural, extremely safe water-based formula that feels the most like someone's own personal lubrication. It is pH balanced to help women avoid sensitivity issues. The ingredients are clean and simple, and only gentle, natural preservatives were used to keep it body-safe. Aqua has a subtle, pleasant taste and scent.