United-Guardian, Inc. is a specialty chemicals manufacturer that develops, manufactures, and markets a diversified portfolio of cosmetic and personal care ingredients, medical lubricants, and pharmaceutical products through its Guardian Laboratories division. The company's core offerings include the Lubrajel line of hydrogel formulations for cosmetic and medical applications, FDA-approved pharmaceuticals like Renacidin and Clorpactin for catheter care and antimicrobial use, and emerging natural hydrogel products for sexual wellness applications. It generates revenue through multiple channels: cosmetic ingredients sold globally via distributor networks, pharmaceuticals distributed through national drug wholesalers to pharmacies and healthcare providers, and medical lubricants sold directly to medical device manufacturers, with the vast majority of sales derived domestically though significant foreign distribution occurs through intermediaries.