Real Soap is made of only three ingredients unless you want to add color, and or fragrance to it. 
Fats/oils
Lye, sodium hydroxide for hard soap, potassium hydroxide for liquid soap
And water. That's it. Anything else is just pure chemical bullshit, and is can be harmful to you. Here's what is in Purell. 


Purell is well-known for its hand sanitizers, but they also offer soap products, including soap dispensers that contain their liquid "soap". The specific ingredients can vary by product and formulation. However, here are common ingredients typically found in Purell soap products:

    Water: The primary solvent.
    Surfactants: These help to lift dirt and oil from surfaces for easy rinsing. Common surfactants include Sodium Lauryl Sulfate or Sodium Laureth Sulfate.
    Moisturizers: Ingredients such as glycerin or aloe vera are often included to help hydrate the skin and prevent dryness.
    Thickeners: Such as xanthan gum or hydroxyethylcellulose, to give the soap the desired viscosity.
    Fragrance: To provide a pleasant scent.
    Preservatives: Ingredients like sodium benzoate or methylisothiazolinone to help prolong shelf life and prevent microbial growth.
    pH Adjusters: Such as citric acid to maintain the appropriate pH balance.