I have previously had Dior plumping gloss and also cheaper variants, and this one falls somewhere in between.
I don't experience any direct Wow plumping effect from it. There, I thought Make Up Store's, which is on sale, gives more effect - but this brush is prettier/luxurious.
It doesn't give much color. Good if you want to wear it over a lipstick, but a downside if you want to wear it by itself. In the picture, I only have this one.