Use orange side to apply foundation. Use pink side to apply blush or highlighter. Use dry with liquid or powder foundation, blush, and highlighter. Cleaning, Care, & Maintenance: Rinse through with lukewarm water after each use. Deep clean once per week with makeup sponge cleanser. Dab on a dot of your favorite makeup sponge cleanser. Add water and gently squeeze to lather. Rinse the sponge with water. Air dry thoroughly in a well-ventilated area.