Come here :

"If you consider that the perfume is made with the addition of human urea for smell resistance, then it is not necessary to imagine it.)"

Ambra (one of the main fixers in perfumery) is extracted from the intestine of the XD cashalot, and the essential oil of jasmine, for example, contains indol, which smells of nothing but debris. And the perfumers grind, but devoutly "taste" the indole notes of spirits, because "nature product" :)).
Everything is conditional.

New school year :)