About Shiseido's lipsticks
There is something special about Shiseido's lipsticks: although they give an extremely moist feel and appearance, they are "smudge-proof" (and since 80's or early 90's). Yes, there are some other "smudge-proof" lipsticks in the market, but they usually are matte and can even dry out your lips.
Shiseido explains these characteristics have to do with the control of "oil separation":
But I really didn't understand their explanation...