Later on, wait for all the butter to melt and retain stirring until finally every little thing is mixed together and is cooled to 35 degrees C. As we described also partly 1 of this post, Donkey milk soap is a combination of Donkey milk and vegetable oils for example https://cesarhvgra.madmouseblog.com/8203228/how-much-you-need-to-expect-you-ll-pay-for-a-good-donkey-milk-cream-cyprus