None was greasy. A wider range of stains would have been a better test for consumers. Since people regularly wash the clothes they wear, it is important to understand the fabric they are made of. Knowing how detergents work is also valuable. Detergent vs. Soap Detergent is a substance based on petroleum products.
Detergent is different than soap.
Soap is a waxy solid made from sodium hydroxide mixed with fats. A soap molecule has two different ends. When the water washes the soap away the soap sticks to the dirt, grease, ect. Tide Detergent Tide detergent is made up of almost the same molecules as soap. It was put on the market for a test trial in 1946.