Clay Magic fine-grade clay bar deep cleans and removes tree sap mist, residue, paint overspray, road tar, rail dust, and other stubborn dirt. Makes your finish super-clean and smooth as glass. Safe for all surfaces. Recommend using Auto Magic Body Shine 49A as a lubricant. Clear coat safe and VOC compliant in all 50 states. For the best results, wash the area with car wash soap before using Clay Magic. Spray the area with Lubri-Shine and then rub the area with Clay Magic to remove overspray, rail dust, industrial fall-out, tar, tree sap mist, and/or surface rust. To finish, apply hand glaze or finish wax.