What kind of skin care function does liposome play in cosmetics? who can tell me detailed information? any would be appreciated. in advance!

First of all, lipids exist between the keratinocytes of the skin, filling the cell gap, playing the role of adhesive, blocking the outward diffusion of water in the skin, maintaining water and softening the skin, but also excluding foreign matters from the skin, with barrier and moisturizing functions.

Secondly, some phospholipids in liposomes can enter into the deep layer of the skin, and combine with the phospholipid origin of the deep layer of the skin cell membrane, so as to fluidize the cell membrane.

Finally, ceramide, a common liposome material in cosmetics, is a lipid component of cuticle, which has whitening effect on skin.

Explanation:

https://www.creative-biostructure.com/liposomes-for-cosmetics-487.htm

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.