I found a product which I have been using for years is designed for Skin whitening a href="http://qak.ravissanics.com/facial-serum%20?product_id=40>" target="_blank">http://qak.ravissanics.com/facial-serum%20?product_id=40>.
For handhelds, I used Prolight Aesthetics for years before I upgraded to the Celluma. Rita is great with education and repairs, the lights are high quality and easy to sanitize, and I always got great results.