Lubricant eye ointment for severe dry eyes. Retaine PM Nighttime Ointment provides relief for severe dry, irritated eyes. Ideal for use at night before bedtime. Preservative free. www.ocusoft.com. Questions? Call (800) 233-5469 M-F 8:30 AM - 5:00 PM CST or visit retainebrand.com. Product of India.