PRODUCT DETAILS Liver of sulfur gel is formulated for versatility and convenience. JSP's gel's shelf life is many times that of dry liver of sulfur and is not degraded by light or air. This gel is used to patina metals such as silver, Copper, bronze, or metal clay. It is non-flammable and poses no dry inhalation Hazard. USES: - Adjust solution mixture Ratio for desired effect and volume of solution. This gel may be used in its ready form by brushing - Liver of sulfur creates a rainbow to black oxidized patina on Fine silver, sterling silver, Copper bearing metals including brass, and Bronze - 1 fluid ounce container will make twelve 6 ounce (350ml) portions of Dark patina solution This listing includes: - (1) JSP 1 fl oz Liver of Sulphur Gel A MUST-HAVE for anyone who works with jewelry or metals! If you have any further questions, please feel free to contact us. We look forward to serving you in the future.