try converting it again using the channel mixer and work with the red channel as dominant, keep it subtle … and play around with the values till its improved .. it should be kinder to the skin texture.
Paul – it is a good shot and the skin can be hard to control… but as suggested this could be massively improved in Photoshop, certainly a high key look would work to some extent. You have indicated that you do not wish your images edited otherwise I am sure that some kind soul on here would be willing to give it a go for you.