This patina is for use on copper based alloys. This patina will not color nickel silver, sterling silver or gold alloys. Instructions: Shake the bottle well before usage. Clean the metal well, any oils or contaminants may produce undesired results. Rinse the metal under warm water and shake off any excess. Immediately dab the patina on with a Q-tip, paper towel, sponge or cloth. Rinse with warm water and repeat until the desired color is achieved. Do not let the patina pool or dry on the surface. Rinse with clean water and dry.