What it is: A makeup brush specially designed to effortlessly apply and blend concealer. What it does: Look like you’ve got nothing to hide! Benefit’s synthetic-hair Concealer Brush is tapered at the end for precision application of all cream concealers. What else you need to know: Tip: Use the Concealer Brush to apply Boi-ing, Benefit’s industrial strength concealer, to help hide blemishes and correct discoloration.