Thank you for your question. The 3 front bottles are solution containers for different treatment steps. They are empty and no solutions are included. You can use water-based hydro facial solutions, such as: * Cleansing solution * Gentle exfoliating solution * Hydrating serum/essence Please ensure the liquids are suitable for hydro dermabrasion machines. If you need help choosing, contact us at [service@freyara.com](mailto:service@freyara.com).