ASTROGLIDE'S PHYSICIAN'S FORMULA Astroglide Physician's Formula Personal Lubricant is designed specifically for use in non-sterile medical procedures. This water-based, water soluble thicker formula lubricant adheres to medical instruments, reducing office clean-up and increasing patient comfort. Astroglide Physician's Formula is also bacteriostatic and petroleum-free. To place an order for Astroglide Physician's Formula please call customer service at 800-848-5900.