Donkey Milk Shower soap is enriched with donkey milk saponified in organic olive oil. The Benefits of Shower Soap: The base of this soap comes from a traditional saponification of vegetable oil of natural origin. It washes and nourishes your skin without attacking or drying it. Naturally glycerinated, it gently cleanses and is very respectful of sensitive skin. Soaps are very well tolerated by all skin types, they are much less aggressive and dry than surfactants. This product contains more than 97% of natural ingredients.