Orginal Formula 1 U.s. Gallon Each Multi-purpose Ultrasound Lotion With Superior Coupling Efficiency In A Pleasing Cosmetic Quality Base Recommended For All Ultrasound Procedures When A Lotion Is Preferred Rich Moisturizing Formula Comfortable And Pleasing To Patient And Ultrasound Practitioner Acoustically Correct For The Broad Range Of Frequencies Used Will Not Damage Equipment Or Stain Clothing Hypoallergenic Bacteriostatic No Formaldehyde