Use once or twice a week on thoroughly clean, dry skin. Do not use on wet skin. Apply evenly across face using fingertips, avoiding the eye area. Leave on for no more than 10 minutes. Rinse thoroughly with lukewarm water. Do not use on sensitive, peeling or compromised skin. Avoid the eye contour and contact with eyes both during application and rinse off. Patch testing prior to use is advised: Apply the product as directed to a small area once a day for three days to test if you are sensitive to this product. If you develop severe irritation, hives, swelling of eyes and mouth, blistering, or difficulty breathing, rinse off, cease use and consult a physician right away.