https://www.npr.org/sections/goatsandsoda/2018/10/03/653739760/cow-dung-soap-is-cleaning-up-in-india

"...all the soaps include cow dung and cow urine as ingredients.

Why make soap from this stuff?

Cows are sacred in Hinduism. Ayurveda, the ancient Indian science of life, says that cow products like dung, milk and urine have healing properties. Many rural Indian homes use cow dung to pave floors. And many Hindus believe drinking cow urine is good for health..."