And now that Karen mentioned something for skin discoloration I am really dreaming of that.
It can be a separate serum, that would still work for me. If there is a pregnancy safe awesome sauce, and then a separate serum for skin discoloration, I would get both and just mix the two. I imagine a lot of people could use a serum like that, whether it is melasma or freckles or age spots or just uneven skin tone that they are wanting to address.
You mentioned licorice Karen, I also have read about Arbutin being good for melasma.
And this ingredient as well:
http://blog.pharmacymix.com/achromaxyl-is
Actually here is a list I found of top 20 skin lightening agents:
http://www.skinwhiteningscience.com/top ... gents.html
I know some of them are very bad for you, like Hydroquinone, but some of them sound like they are natural

Sorry I got a little carried away there with the ingredients, but I love reading about that stuff, and I've been frustrated lately with the hyperventilation I have so I have been researching about it online.