CLR is a new, all-purpose, multi-surface stain remover compromised of an eco-friendly formula that removes tough stains and spots including nail polish, paint, shoe polish, oil, red wine, ink, crayons, and permanent markers. CLR Stain Magnet's safe, yet effective formula is part of the EPA's Safer Choice Program, recognizing the product as a safer alternative to chemicals. With a powerful foaming action, CLR is great for a wide variety of surfaces including painted walls, hardwood floors, baseboards, carpet, fabric, glass, metal, brick, concrete, marble, laminated counter tops, fully cured and oil-based painted surfaces, hard plastics, automobile tires, wood, grout, and fiberglass. Always spot test in an inconspicuous area first.