How to insert a space before Superscript?

Hi guys,

How can i insert a thin space (special character) before Superscript? here is the image

image

https://www.evernote.com/shard/s229/sh/fff1ceba-a65c-4633-87b4-ea26046 62619/a62bc44c4ad9603894e246c821abeec8/deep/0/Captura%20de%20pantalla% 202013-06-02%20a%20la(s)%2015.35.56.jpg

the Superscript is a "Character Style" but i don't know if there is any property to insert a thin space from the Menu or i have to create an script to do it.

Thanks for any ideas!

Best,