Yeah, the foam was the first thing I used.
But now that I think about it, maybe I did have a shed. Because my hair first looked thin and then all of a sudden it started getting really thick. But that could be because of my hair was getting longer.
Sorry for the vague answer, its just hard to tell. In the end I dont think I had a shed.
But what you can do, just use the foam and if you experience a shed, just use toppik or dermatch or something for a short period.
When your hair starts to grow back thick and all, just lev the concealer for what it it! Hows that for a plan?