Not all soap is organic. You can buy organic soap.
Most soaps contain a variety of chemicals, most of which are not organic. You will need to buy organic soap specifically to get organic ingredients. Most organically made soaps contains natural oils, like sunflower and olive, as well as plants like lavender, green tea, or jasmine.
There are a number of online retailers who sell organic soap, it is recommended to go to such websites as Amazon, eBay or Topshop. However organic soap can also be found in physical store locations like Topshop and various large supermarkets.
This will depend upon the individual soaps you are comparing, but in general I would guess no. Regular soap can have chemical deodorizers added to them, while organic soaps, due to organic requirements, would have to rely on the detergent (the soap part) to remove odor-causing debris then have a residual scent from an organic source (like lavendar).
Chagrin Valley Soap specialises in natural and organic personal hygiene products. These include organic soaps, shampoo bars, organic salves and bath salts.
The preparation of soap is called as saponification. When an ester reacts with a sodium salt of a carboxylic acid in the presence of a lye, it forms soap. All the reactants and products are organic.
Organic stores are offering Castile soaps. Nature's Glory is one of the certified organic stores that offer organic soap and castile soap. Check if they can ship to your country. You can also read articles about the differences and benefits of castile soap.
soap is made of lye, an acidic and corrosive substance. soap cleanses by consuming the oils on skin and soiled surfaces.
organic salts similar to soaps are detergents
shampoo, soap, and salt, sugar
Sorry that this doesn't answer your question but try chacha.com
Soap
sodium sterate, an organic compound apparently present in soap??