Aesop Purifying Facial Exfoliant Paste, 2.5 oz./ 75 mL A gentle formulation with fine riverbed Quartz to slough away tired cells, botanical oils to purify, soothe and hydrate, and Lactic Acid for mild chemical exfoliation. How to Use: Twice weekly, massage gently over damp face and neck, including the lips. Avoid the immediate eye area. Rinse thoroughly with warm water. Suited for: Normal, dry and mildly sensitive skin. Frequent travelers, shavers. Winter and cool climates. Key Ingredients: F.