Naturals Swirl is a flavored water based lubricant, glycerin and paraben free. All Swirl formulations start with our original Naturals H2O water based lubricant, and add flavoring and a hint of aspartame to sweeten. The flavors are subtle, and are intended to enhance your taste, not disguise. All Sliquid products are formulated by sensitive women, for sensible women, and will never cause yeast infections or UTI's.