PURE Bioscience (OTCMKTS:PURE), Inc. is a San Diego, California–based company that develops and markets patented antimicrobial solutions for diverse industries. At the core of its technology portfolio is Silver Dihydrogen Citrate (SDC), an EPA-registered broad-spectrum biocide designed to neutralize bacteria, viruses, and fungi on contact. The company targets applications in food processing, water treatment, personal care, and medical device sanitation.
PURE’s product suite includes concentrate formulations and ready-to-use solutions. Its food safety line offers surface sanitizers and processing aids approved by the U.S. Department of Agriculture (USDA) and the Food and Drug Administration (FDA) for direct contact with food-contact surfaces. The company also supplies biocidal chemistries for incorporation into personal care products such as shampoos and topical washes, as well as specialty solutions for water disinfection.
Founded in 2001, PURE Bioscience holds a portfolio of patents covering the generation and stabilization of SDC, which it licenses globally through distribution partnerships. The company serves customers across North America, with growing penetration into international markets via strategic alliances. PURE continues to expand its product approvals and registrations, reinforcing its position in regulated sectors that require validated antimicrobial efficacy.
PURE’s leadership team combines expertise in microbiology, regulatory affairs, and commercial operations to guide product development and market expansion. By focusing on scalable manufacturing processes, rigorous quality controls, and regulatory compliance, PURE Bioscience aims to address evolving public health needs with science-driven antimicrobial solutions.
