The instructions for use are suitable for dry powder, such as loose powder, repairing powder, eye shadow makeup powder, etc. Activated carbon sponge core, antibacterial and durable. Frequent washing is easy to damage the softness of the bristles, and dry cleaning is faster. It is recommended to wash the cotton core once every 1-2 weeks. It is better to use a cleaning agent. It is recommended to replace the new core every 2-3 months. No matter how durable it is, it should be replaced in time. 1. Activated carbon sponge can be recycled, the cleaning effect is significant, the cleaning range is wide, suitable for a variety of makeup. 2.Convenient health Small and exquisite, easy to carry, dry cleaning fast, clean in place. 3. The thickness of the soft cotton core reaches 20MM, which protects the bristles and does not hurt the bristles during dry cleaning. 4. Save time and effort gently slide over, just wait for a moment, the brush can be swept clean. 5. Long life cycle up to 2 months to replace a cotton core. It can be washed with detergent and cleaned once every 1 to 2 weeks.