These products are particularly dangerous around children. For persistent clogs, use a metal drain snake. Avoid contact with skin and work in well-ventilated areas. Most wood polishes contain phenol, which causes cancer in lab animals. Residual vapors contaminate your home long after application.
Wood polish can also cause severe skin irritation.
Use a mild vegetable oil soap on varnished wood. Scrub scuff marks with toothpaste. For wood floors, use a mixture of mild vegetable oil soap and water and dry immediately. Use newspaper or a squeegee to avoid streaking. Even phosphate-free, biodegradable detergents contribute to water pollution.