Laundry detergent has traditionally been a powdered or granular solid, but the use of liquid laundry detergents has gradually increased over the years, and the popularity of liquid detergent now rivals that of solid detergent.
Unilever was created in 1930 by the merger of British soapmaker Lever Brothers and Dutch margarine producer Margarine Unie, a logical merger as palm oil was a major raw material for both margarines and soaps and could be imported more efficiently in larger quantities.