Anything applied to the surface of the skin can only block out ultraviolet rays or keep the skin moist. For real meibai, you have to get through to the dermis layer, and for that you need the right techniques and tools.
塗抹在皮膚上的保養品只能防禦紫外線和具有保濕效果，要將美白成分穿透到真皮層，要有方法和工具。