What happens to soap after you washed your hands?

Which one of us is washing hands with soap or hair with shampoo? I hope everyone :) But which one of you ever wondered what happens to soap after the washing? Of course, water treatment plant, but then what? And should we care about it? During my presentation I will answer all these questions and will tell you more about our daily pollution.

What happens to soap after you washed your hands?

Agnieszka