Left with the splash back from my session with the hair-dryer and the wax crayons it has been nagging at my mind for further fun and games... there is a spot of clean pristine black card where the red beaker stood and it suddenly occurred that this makes it a natural 'mask'. A quick visit to PS and here is the result.
the Portrait is of my good friend Tatjana who was sat in the back seat of a car when I took her pic from the front seat with the flip up flash!

Composited two layers with generous helping of layer masks and eraser tool with a soupçon of smudge!