This 250-milliliter McKesson ultrasound gel has a high viscosity to prevent running and to keep it in place after application The greaseless and water-soluble formula offers easy cleanup High conductivity delivers clearer images The noncorrosive high viscosity ultrasound gel is safe for equipment and instruments The gel is bacteriostatic to protect against cross contamination Free of fragrances, alcohol and salt, it's suitable for sensitive skin .