This leave-on mask with 10% azelaic acid clarifies uneven tone and fades stubborn spots, revealing a more even complexion. Targets hyperpigmentation, visible photodamage, and post-acne marks. Corrects the look of blemishes and discoloration. Promotes dramatically more radiant and clearer-looking skin. Replenishes moisture and supports a healthy barrier with plant oils, ceramides, and niacinamide. Formulated at a skin-friendly pH of 4.2 100% free of essential oils, silicones, fragrance/dyes, and solvent alcohols.