But no, it is indeed true black soap ... once diluted, it acts as versatile household cleaner: effective for the soil, for routine cleaning of the bathroom and kitchen. It leaves a pleasant smell of fresh, durable.
Pure, it overcomes the grease stains, burnt and stubborn stains from the kitchen.
For laundry: I rubbed a black soap nuts on a sweatshirt or there remained a greasy stain which had resisted a previous wash: the soap has come to end, I was amazed.
You can also use it for very difficult cleaning famous: used on a dirty and yellowed stone fireplace, they have returned as the first day!
I also used on a car roof probably yellowed by tobacco, and that it has regained its original color.
In short, it is a product to do everything very economical and more environmentally friendly. With this converter, you will have what you prepare + 10 liters of household product.
Downside: the smell can persist some people.