All Swirl formulations start with their original Naturals H2O water based lubricant, and add flavoring and a hint of aspartame to sweeten. Their flavors are subtle, and are intended to enhance your taste, not disguise. All Sliquid products are formulated by sensitive women, for sensible women. Water based and water-soluble. 100% Vegan friendly. Lightly flavored to enhance taste. Glycerin free and paraben free. Hypoallergenic and non-toxic. Non-staining and lightly scented. Uniquely blended to enhance your body's own natural lubrication. All Sliquid products are Glycerine Free, Paraben Free, Hypoallergenic, and proudly Made in the USA. 4.2 oz.