Shake well before use. Apply to wet or dry tires. Spray foam 6" from tire in a circular and steady sweeping motion. Ensure full, even sidewall coverage Allow to dry 5-10 minutes For best results: first wash or rinse excessively dirty or muddy tires. Clean extra-dirty whitewalls with GETSUN multi-purpose auto cleaner. Usage: use only on sidewalls, not treads. Avoid over spray on treads, brakes or floors. Do not use on cycle tires. Brake dust and other residue from tire can spot driveway. To avoid, rinse driveway immediately after use. Note: do not allow wash water to enter gully drains, streams or lakes.