The Detergent Illusion: How Marketing Invented Invisible Stains and Excess Suds

Look inside your washing machine during a cycle. You see a mountain of thick, white foam and assume your clothes are getting a deep, powerful clean. But those bubbles are completely useless. They are an artificial additive, engineered solely to satisfy a psychological craving for visible action.

The Detergent Illusion is a masterclass in consumer manipulation. In the mid-20th century, chemical companies realized they could not sell highly efficient, low-sudsing detergents because housewives ...