Use only at night. Apply a pea sized amount on your face, gently tap in. During the day you must use a natural Sun Defence – Globalderm UVAB Whitening Day Crème. CAUTION: Very concentrated whitening product – TEST Before USE. Use a small pea sized amount on your face once or twice a week. If no reaction occurs then increase to 3 times weekly. Thereafter build up to using the product once every 24hours, at night only.