Step 1: Wash your hands thoroughly before beginning process. Remove 2 oz. tube of Restore and reusable applicator from the box. Step 2: Remove cap from Restore tube and align tube with reusable applicator. Start turning reusable applicator clockwise while holding onto tube to screw on the reusable applicator. Step 3: Gently squeeze the Restore tube while extending the applicator. Extend the applicator until it reaches 4 grams of Restore or to your preferred measurement. Step 4: Remove the reusable applicator from the Restore tube by turning it counterclockwise. Your applicator is now ready for insert. After use, wash your reusable applicator in hot soapy water and allow to air dry. Make sure the applicator is clean and dry before reusing.