Brand new unopened Paula’s Choice 10% Azelaic Acid Booster. This unique formula uses potent azelaic acid, plus other powerhouse ingredients to clarify uneven tone, target stubborn spots and soothe irritation resulting in smoother, more radiant, younger-looking skin. Over 30 years of research back azelaic acid’s effectiveness Lightweight, oil-free gel-cream texture Use alone as spot treatment or add to your moisturizer or serum ❌NO OFFERS NO TRADES❌