1Never Expires: Silver antique solution never expires, but proper care is essential to maintain its effectiveness over time. Store the product in its original tightly sealed container at room temperature. 2Quick Application: Silver oxidizer solution quickly and effectively darkens and produces an antique effect on silver jewelry. This design brings convenience and saves you operating time. 3Controlled Application: Water based oxidizer solution allows for better control of the oxidation process. Dilute the solution with water to slow down and better control the surface oxidation. 4Vintage Effect: Use this oxidizer solution to give your silver jewelry a beautiful vintage effect that meets your needs. It adds character and depth, giving your piece a unique and timeless appeal. 5Easy to Use: The silver oxidizer is secure to use on metal surfaces and can be applied with a brush, sponge or cloth. You can also choose to immerse the entire product in the solution. Always use in plastic or glass containers. 1 x Silver Aging Liquid (60ml)