Place a generous amount onto the back of a clean, dry hand and use the brush to gently apply mask to a clean, dry face, neck and décolletage. Leave on for 1 - 2 minutes and rinse with warm water in the shower. For an additional physical exfoliant, after the 1 - 2 minutes and before rinsing, add warm water and gently massage into the skin. For sensitive skin, leave on for only 15 seconds before rinsing. When do we recommend applying? In the evening, once or twice a week, once tolerance has been established. Where does Stars Align fit in my skincare routine? After cleansing, prior to applying serums and hydration. Tips & Tricks: It is important when using AHA product, to wear SPF daily for at least one week after use.