Different oils make different soaps ...... For example, Olive oil soap is moisturising with a light lather, Coconut oil soap has a rich lather but is drying.
Cost usually determines the oils used in soap
But cheap oils can have hidden costs
There is now a sustainable way to make soap.
Wasting resources and generating methane from landfill - a potent greenhouse gas
and new technology farming the Black Soldier Fly (Hermetia illucens) is now able to convert organic waste into protein and oil at an industrial scale.
An innovative new company in Perth Is farming the Black Soldier Fly and converting organic waste into protein and oil.
An established soap manufacturer in Albany is using the oil to make bar and liquid soaps. For practical purposes they are soaps made from landfill.