The Aramith liquids are silicone free. Having been specially designed for phenolic billiard balls by the very same engineers that developed the Aramith phenolic billiard balls, the new Aramith ball cleaning agents will not affect their unique features, as opposed to other agents Directions for use: Shake well the bottle - Apply a drop of Aramith Restorer upon the ball - Rub well (with an Aramith Micro-Fiber Cloth) - Apply a drop of Aramith Cleaner upon the ball - Rub again (with the Aramith Micro-Fiber Cloth) - Make the ball shine with a piece of dry cloth or paper or with an electrical buffer.