Does heat help remove scratch off coatings?

No. Heat from a hair dryer or any other source does more harm than good. It can warp the card and melt the coating into the printed code, leaving the whole thing unreadable.

• Avoid: heat of any kind.
• Use instead: a plastic card edge, a strip of tape, or a pencil eraser.

These mechanical methods lift the coating cleanly and safely every time.