Method for preparing handmade soap from Pickering nano-emulsion, handmade soap and application of handmade soap in moisturizing and moistening skin

The invention discloses a method for preparing handmade soap from Pickering nano-emulsion, the handmade soap and application of the handmade soap in moisturizing and skin moistening, belongs to the field of daily cosmetics and cleaning supplies, and aims to solve the problems that active ingredients are difficult to retain in a strong alkaline environment in a handmade soap saponification process and are easy to wash away before transdermal absorption. The preparation method is characterized by comprising the following steps: dissolving micromolecular sea cucumber polysaccharide and hydrolyzed collagen in deionized water to prepare a water phase, and adding an inner oil phase containing active ingredients into the water phase to obtain an oil-in-water Pickering emulsion; the oil-in-water Pickering emulsion is added into an outer oil phase, then a sodium hydroxide aqueous solution is added for saponification, the handmade soap is obtained, and the effect is that active ingredients in the handmade soap can be r