How would you remove the odor of butyric acid from your hands?

Answer 1

Since it's organic and creates the smell found in rancid butter or vomit or bad cheese why not try washing in warm water with a bit if biological washing powder dissolved in it?

Answer 2

If you have a stainless steel sink in your kitchen, rub your hands on the stainless steel sink or the stainless steel faucet. It will take the odor off your hands, then wash with soapy water. Yes, it really works!

or try
Lemon or lime juice is okay but vinegar is better