K-Y® Ultragel® Personal Lubricant. Unique water-based liquid gel. Not too thick or too thin smooth, long lasting. #1 Doctor Recommended Brand™. A long-lasting water-based liquid gel form that is not sticky or greasy and easily washes off. Non-staining. Questions 1-877-KYBRAND. Bottle shape and cross silken design are trademarks of McNeil-PPC, Inc. ©McNeil-PPC, Inc. 2011.