LiquaSonic Ultrasound Transmission Gel has a thicker, no-slip formula that remains viscous even when applied to salty skin. Our salt-free, formaldehyde free formula eliminates the air between the transducer and skin, offering exceptional coupling efficiency for more effective treatment/diagnosis. LiquaSonic Gel has been formulated to be acoustically correct for the broad range of frequencies used in medical ultrasound applications. Our formula is water soluble and non-greasy preventing damage to expensive transducers and clothing.