Soap is relatively low tech for a consumer product, but what it means it that it can be made with very local scents and ingredients. It might be olive oil from Greece or scents native to the jungles and lush seasons of Africa. Essential oils are relatively easy to obtain, simply made by using alcohol to extract the vitamins and the smell. There are substances from Africa that both smell great and are excellent for the skin. Explore African soap on this very interesting website.
Soap that uses potassium lye is better for your skin anyway. If it includes very fresh scents that are authentic and not artificial, then the benefits are all the better. The great thing is that locally sourced ingredients can, in a way, make production quite a bit cheaper. There is less need to import exotic ingredients when exotic ingredients are growing in your background.