To Use Iosso Metal Polish, Follow The Following Instructions: 1. Spray The Product Directly Onto The Surface To Be Treated. 2. Rub The Surface Well With A Sponge To Ensure That The Product Coers All The Build-Up Or Rust Stains. 3. Allow The Product To Work For About A Minute. 4. Rinse The Surface Thoroughly With Water. It Is Important To Note That Iosso Metal Polish Is An Acid-Based Product, So It Is Recommended To Use It With Caution And Aoid Contact With The Skin And Eyes. Additionally, It Is Not Suitable For Use On Delicate Surfaces Such As Aluminum.