United-Guardian, Inc. manufactures and markets cosmetic ingredients, pharmaceuticals, medical lubricants, and proprietary specialty industrial products in the United States and internationally The company offers cosmetic ingredients, including LUBRAJEL, a line of water-based gel formulation for sensory enhancement, lubrication, and texture to personal care products; LUBRAJEL NATURAL for skin moisturizing; LUBRAJEL MARINE that develops natural products using naturally derived polymers; LUBRAJEL OlL NATURAL, which makes luxuriant textures without adding viscosity; LUBRAJEL TERRA, a multifunctional, moisturizing hydrogel products; LUBRASIL II SB, a formulation of LUBRAJEL; LUBRAJEL II XD; B-122, a powdered lubricant used in the manufacture of pressed powders, eyeliners, rouges, and industrial products; and ORCHID COMPLEX, an oil-soluble base for extract of fresh orchids used in fragrance products, such as perfumes and toiletries.

Its medical lubricants comprise LUBRAJEL RR and RC, which are water-based lubricant gels for urinary catheters; LUBRAJEL MG to lubricate urinary catheters, pre-lubricated enema tips, and other medical devices; LUBRAJEL MGL, a medical lubricant with a lower viscosity medical lubricant; LUBRAJEL LC, LUBRAJEL BA, and LUBRAJEL FA, which are formulations for oral care; and LUBRAJEL FLUID to lubricate water-soluble products.

The company's pharmaceutical products consist of RENACIDIN, a prescription drug to prevent and dissolve calcifications in urethral catheters and the urinary bladder; and CLORPACTIN WCS-90, an antimicrobial used in urology.

Its industrial products include DESELEX, a sequestering and chelating agent used for manufacturing detergents; and THOROCLENS, a chlorine-based industrial cleanser.

The company also conducts research and product development of cosmetic ingredients. The company was founded in 1942 and is based in Hauppauge, New York.