Just spray it on! Silver anti-tarnish agent (Features) Silkeep Neo creates a anti-sulfide film on the surface of the silver due to a chemical reaction and prevents discoloration from occurring for about 6 months to 1 year in a condition without affecting the silvers texture. How to Use: Wash and polish the silver products you want to handle with speed dip or silver polish. It is more effective if you use a speed dip to remove oil from the surface before processing with SilKeep Neo. Spray SilKeep Neo on the surface. We recommend using gloves to prevent unevenness caused by sebum and other processes. If there is any residue on the surface after drying, please wipe it gently with a soft cloth. The solution is alcohol. Normally it does not harm skin, but if you are allergic to alcohol, please do not contact the liquid directly with your skin. When you touch the silver directly during work, the sebum on your hands and fingers will not stick to the silver surface, so please wear rubber gloves as long as possible. Because it is flammable, please do not work near a fire. The ingredients may be dissed, but this is not a quality problem. Floatation in the liquid is an active ingredient. The effectiveness period of this product may vary depending on the environment. Not a food. Do not drink. Especially for children. Keep out of reach of children. ·Plating will not be possible if treated with this product. Please do not use for small items or other things that will be plated in the future. The processing layer is very thin, so if you wear it hard or polish it with silver to disappear its effect. Wide mouth jars are used for the purpose of use. Once you open the lid, it will leak