It doesn’t thoroughly clean the smaller eyeshadow brushes either, unless you swirl and swirl and swirl it in the cleanser for a (long x 100) while. It is absolutely impractical for foundation or blush brushes since they soak up so much of the product! Unfortunately, the MAC Brush Cleanser has done nothing to aid the process of thoroughly cleaning the Sigma F80. I really bought the MAC Brush Cleanser out of sheer desperation to thoroughly clean my Sigma F80 Flat Top Synthetic Kabuki Brush, which I almost threw out of the window because no matter how hard I tried, I couldn’t return it to its original pristine white-tip bristles. Yup, that’s my reaction towards the MAC Brush Cleanser the first time I used it, the second time I used it, and the n th time I used it. You know that feeling when you desperately need a solution for a task, and you read about a product that everyone says works wonders, and you go out and buy it, and you use it,
