benefit high beam or moon beam?

https://www.youtube.com/watch?v=(http://www.youtube.com/user/michellephan?blend=1&ob=4#p/u/0/uIpuEVG4v3Q)

skip to 0:54 i love the dewy/glow-y effect this product has. but the description of this product on sephoras website is that it is an under eye brightener :confused: