The Zegsy Makeup Brush & Blending Sponge Washing Machine is designed to work effectively with a variety of brush cleansers. You can use gentle liquid soap, baby shampoo, or specially formulated brush cleansers to ensure thorough cleaning without damaging the bristles. It is recommended to clean your makeup brushes and sponges at least once a week to prevent the buildup of bacteria, dirt, and makeup residue. However, frequency may vary depending on usage and the type of products you use. Yes, the compact and portable design of the Zegsy Makeup Brush & Blending Sponge Washing Machine makes it ideal for travel. Simply pack it in your suitcase or makeup bag and enjoy clean brushes and sponges wherever you go.