How to use Use in the evening, no more than twice per week. Apply to a clean face, do not use on wet skin. Apply evenly across face and neck. Rinse with lukewarm water. This solution is intended to be used as a masque. Do not leave on for longer than 10 minutes. Avoid the eye contour and contact with eyes both during application and rinse off. Use SPF after use. Caution: Discontinue use if redness or irritation occurs. Keep out of eyes. For external use only.