Patent ID: 8216557

Claim:
A method of removing sebum, old keratin, dirt, fallen hair, dandruff, or alleviating itching, which comprises: providing a liquid washing composition comprising at least one protease, at least one lipase and at least one alkali metal salt, adding microbubbles to the liquid composition to form a microbubble solution or adding the liquid composition into a microbubble apparatus to introduce microbubbles into the liquid composition to form a microbubble solution, and washing the skin of a subject in need thereof with an effective amount of the microbubble solution thereby removing sebum, old keratin, dirt, fallen hair, dandruff or alleviating the itching, wherein at least one alkali metal salt is selected from the group consisting of an alkali metal carbonate, an alkali metal hydrogen carbonate, an alkali metal sulfate, an alkali halide, and an alkali metal salt of boron.