When working with acrylic nails and press-ons, keeping your brushes clean is essential to maintaining their effectiveness and ensuring a smooth application every time. From personal experience, I've learned that using acetone to clean your brushes immediately after use is a game changer. After completing your press-on acrylic set, simply soak and wipe your brush with acetone on a paper towel. This process removes all leftover acrylic residue without leaving behind clumps or hard spots, which can ruin future nail designs. I usually clean my brushes right after finishing the set, rather than waiting several days, to prevent hardened acrylic from damaging the bristles. Make sure to use enough acetone to thoroughly wipe off any build-up. By doing this consistently, your brush will feel like brand new and perform just as well as when it was fresh out of the package. Additionally, avoid letting acrylic sit on your brush for long periods as this will cause it to harden and affect brush flexibility. Keeping your brushes in good condition not only extends their lifespan but also helps maintain the health of your nails by applying smooth, even coats each time. In summary, the key steps I follow are: immediately wipe brushes with acetone on a paper towel after use, avoid delays in cleaning, and carefully check for any residual clumps. Following this routine allows me to keep my nail brushes in top condition for repeated acrylic press-on applications, saving time and money while achieving salon-quality results at home.