After a thoroughly cleansing with Purifying Cleanser, apply in the morning and/or evening. Massage gently to help absorption. For best results, use Purify Masque 10 once or twice a week on the face.Tips: Can be applied on the body, on areas prone to imperfections and where the skin is thicker.Cautions: Purify Gel contains Glycolic Acid, be sure to use a sunscreen such as Sunlight Screen 50+ every day. Should not be used just before strong exposure to the sun (beach, mountain, prolonged outdoor activities, etc.). A slight discomfort may be experienced on sensitive or unaccustomed skin due to the exfoliation and the penetration of the active ingredients. If this happens, space out the applications at the beginning of the treatment and then gradually increase frequency until daily use. Avoid contact with eyes, otherwise rinse thoroughly with water. Not suitable for sensitive, damaged, irritated or problem skin. Not recommended for pregnant or breastfeeding women.