Liquid Soaps Are actually quite difficult to make and many of the commercial liquid soaps are just in fact detergents: They will clean just fine
Shower Gel a thick liquid product used for washing oneself in the shower.
Shampoos a hair care product, typically in the form of a viscous liquid, that is used for cleaning hair. Less commonly, shampoo is available in bar form, like a bar of soap. Shampoo is used by applying it to wet hair, massaging the product into the hair, and then rinsing it out. Some users may follow a shampooing with the use of hair conditioner.