You might know that you can clean a hardened and sticky brush with acetone. Depending how much work the acetone needs to do on your brush, you may need to leave it to soak for a while. Instead of holding your brush and waiting— use a nail form to stick your brush to the bottle of acetone— this way, you can leave it to soak for as long as it needs! ⏱✨ Just make sure not to leave your brush to deep in the bottle. We want to avoid soaking the handle of the brush, especially if it’s wooden. Shop thi