IGLIDO nail brush cleaner is often preferred over general brush cleaners because it is much gentler on the bristles. This regular cleanse is your first line of defense against dirty brushes! Direction For Use: Always start by washing your hands with Soap and water. Place your scrub brush into a bowl and pour 70% to 90% Brush Cleaner Liquid over it until the brush is completely Submerged. Allow your brush to soak for 5 minutes. Once you know your brush is sanitized, you can use it to clean your other tools.