I'm a fan of Lumiere too - considering a purchase of their synthetic flat top. So far I have used one from Sephora "2 powder" a firmer, denser powder brush, very good and soft, but after one year of everyday use it needs a change. Currently awaiting Lumiere's skin care sample set - happy to hear you like their emu.
Send me a PM if you would like to chat about MMU&natural skin care po polsku