It has medium coverage. Buildable coverage if you keep on layering. I love how it glides easily if you spread all over the skin. But if you pat the product it can do quite an impressive coverage. It does help brighten the skin. It's also hydrate the skin through out the wearing. It doesn't feels heavy, it's very light. Plus it has SPF15. One pump is equivalent to 1/4 teaspoon, just nice amount for SPF.
To me, I never experience anything bad while using this product. So overall, nothing bad about this one.