Most dermatologists will tell you to soak your tools, especially foundation and concealer brushes, once a week — minimum — to prevent product buildup. Because these brushes are used on your face, the cleaner they are the better, says legendary makeup artist Bobbi Brown. She’s a little more lenient with eye shadow and liner brushes, however. “Brushes that are used around the eyes should be cleaned at least twice a month,” she says.
Frequent cleansings don’t just help keep your skin cleaner. According to makeup artist Ashleigh Ciucci, soaping up your makeup brushes regularly can extend the life of the bristles and make for better product application. “Brush hairs and sponges are porous, so they hold onto oils, debris, and bacteria,” she says. “If your brushes are dirty, your application will be spotty and blending will be difficult.”
What should you use to clean your makeup brushes?
The best and most thorough method for cleaning your tools requires water and either a gentle soap (regular soaps can dry out the bristles, especially if they are made of natural hair) or brush cleanser.
There are dozens of cleansers made specifically for cleaning brushes, but makeup artist Benjamin Puckey is an especially big fan of Parian Spirit Professional Makeup Brush Cleaner, which is made from food-grade solvents to gently dissolve powder-, liquid-, and wax-based makeup. If you’d prefer not to buy a cleanser specifically for your brushes, though, your favorite face wash may be all you need. Kim Kardashian West’s go-to makeup artist Mario Dedivanovic famously uses Philosophy Purity Made Simple facial cleanser because, he says, if it does such a thorough yet gentle job on your face, it will do the same for your brushes.
Continue reading at How to Clean Your Makeup Brushes, and How Often You Should Do It