blush brush- for blush
stippling- for foundation
a stippling brush is great, it makes the overall appearance of the foundation GREAT.
stippling brushes are REALLY good for foundation, especially for the compact foundation. They could also be used for bronzers and blush but it has multipul purposes. Blush brushes really shouldnt be used for more than blush and bronzer. If youre looking for good brushes try good cheap brushes. they have a weird scent when you get them so just wash them with a mild soap or a brush cleaner really well.
Blush brush is only like for blushes. A stippling brush is about for anything except shadows. Check this out:
great info here