IT'S 5% POWDER SOLUTION INGREDIENTS. This highly effective serum booster is a multi-action powerhouse, featuring Azelaic Acid, known to reduce the look of blemishes and acne, while also helping to fade brown spots and marks from previous acne breakouts. 🗹 Our 5% Azelaic Acid Booster also contains Niacinamide a gentle acne treatment. The multi-tasking formula boasts a lightweight, oil-free texture that works beautifully on its own or mixed with other skin treatments. 🗹 USE THIS BOOSTER ALONE OR ADD A COUPLE DROPS to a moisturizer twice daily as part of your morning & evening skin care. Use along with your favorite Our toner, exfoliator, spot treatments & moisturizer with SPF for daytime wear. Be sure to apply sunscreen products during daytime