So what do one do with all the brushes you use on your face, eyes and cheeks.. and lips..?? wash them in water..?? and dry them..?? oh no..!!! Mac Brush Cleanser is the best product ever to clean, disinfect and conditions the brush fibers.. so that the brushes you have will last alot longer. It is very easy to use.. and it extends the life of all high quality brushes. And the cleanser leaves your brushes smelling fresh and clean.. and helps shorten their drying time. No more worries about getting pimples or ance from dirty brushes. At $12 for a 233ml bottle.. it’s a great buy.