I've tried it and it's a Gunthy-Renker product. At first, they do wanna send you 30 day supplies on facial powder, concealer,lip gloss (with brushes). But, I told them to stop sending me the 30 day supply.
Instead, I get my Sheer Cover on Ebay. (I get everything on ebay
....The powder does need to match your skin tone or it does come out looking really pale.
They had light, medium and dark shades. I used the medium as a foundation and then shade with a bronzer in my contour areas.
I have small freckles on my face and chest and Sheer Cover covers them without being heavy.
Some people have said that it can look heavy, but it depends upon how much you put on your brush. It's the same concept as Bare Escentuals with the "tap-tap-tap" technique to get rid of the excess powder.
I didn't like Bare Escentuals that much because it made my skin shiny and in pictures, you could see the shine. I haven't had that problem with Sheer Cover. I could see how it wouldn't be for everybody, though. They'd have to enlargen their powder shades and choices to fit all skin colors.