When using eraser to erase a C4D it's always preferable to use it at 100% opacity, i can see some leftovers on her shoulder for example. Second, light source maximally should be used while not affecting the human skin, if you are using a real life render that is. I can see the light has changed the tone of her skin more than it should, lowering that should solve it. Background could be darker, also you need to add some grey tent to it so that the render blends a bit with the C4Ds. As for the text, just kill it q-q
Nonetheless, that is some redhead hottie