Im actually using the MAC 187 for foundation and LOVE it ! It gives a nice, smooth complexion with minimal product.
hmmm...maybe i should buy 2 of the same brush?
^^^ Try the one you have with loose powder first. I didn't like the way my 187 works with loose powder. I use a Smashbox kabuki-type brush - #29, I believe.
Well, the MAC 182 is my preference for kabuki's when putting on powder foundation, but if you want just a big fluffy brush for dusting of loose powder, i definitely recommend Stila's #8 powder brush. DEFINITELY one of the SOFTEST brushes i've felt.
^^ Woot woot for Everyday Minerals brushes! I have the long-handled kabuki brush. Omigosh, IMO it's just as soft as the MAC brushes and so much more affordable at around $10 each. I also have the flat top brush, eye kabuki brush, and angled blush brush. I could run the bristles over my fingers all day long.