For persistent clogs, use a metal drain snake. Furniture polishes contain petroleum distillates which are flammable and very dangerous if swallowed. Avoid contact with skin and work in well-ventilated areas. Most wood polishes contain phenol which causes cancer in 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. Glass cleaners emit ammonia mist which is irritating when inhaled. Use rubbing alcohol for first application only to remove the residual wax from commercial glass cleaners.