Dolomite washbasins should be cleaned with a regular liquid cleaner intended for cleaning bathroom sinks. It is not recommended to use cleaning agents containing abrasives. Washbasins should not be exposed to acids, ammonia, sanitary cleaners or chlorine compounds. Strong colorants like hair dyes or nail polishes may cause permanent discoloration. Dolomite products are suitable for polishing. If you scratch the surface of the washbasin it can be repaired with a special repairing product. Later you can wax the repaired sink with colorless agent intended for the care of car bodies (car wax).