Share 'Problem with sun fading the chocolate.'

I am having trouble with the sun shining/glaring into my store and causing some of the chocolates to bloom. The sun does not shine directly in but when cars park in front of the store the glare from them makes our chocolates bloom. I am looking into getting our windows tinted but I don't want to get them tinted too dark as I want people to be able to look in.  I am looking for advice on how to so…