Pearl Car Care provides instructions for restoring damaged headlamps using their Pearl Scratch Remover and Oyster Paint Sealant products in a 4-step process. The process involves sanding the surface, applying the scratch remover with a polishing pad to remove scratches and yellowing, cleaning and reapplying the remover if needed, and sealing the surface with the paint sealant. Following these steps restores headlamps and provides protection from further damage.