Developed by celebrity makeup artist and skin-care educator Susan Posnick. After her personal battle with a sun-induced skin disease in the 1990s, Susan became passionate about sun protection and began experimenting with mineral skin products. With over a decade of experience, we proudly present you with your new go-to sunblock: Brush On Block. Sun protection has never been this easy; application is quick, convenient, doesn't sting your eyes or make skin feel greasy. Say goodbye to white residues. It will change the way you feel about putting on sunscreen. So wash your face, brush your teeth, and BRUSH ON BLOCK.