AZELAIC ACID 16 CALMING SERUM 0.317OZ. Benefits: 16% azelaic acid reduces inflammation and soothes troubled skin. Niacinamide brightens dark spots and balances tone. Patothenic Acid supports barrier recovery. Features: High-Strength 16% Azelaic Acid Complex for breakouts, redness, and uneven texture. Quick-absorbing, light texture leaves skin smooth, non-greasy. Formulated to soothe sensitivity and support skin resilience. Research Results: Amount of sebum improved by 12.97% after 1 use. Acne scars and dark spots improved by 3.62% after 1 use. Pore tightening improved by 17.48% after 1 use. *Clinical Trial Tested by the Global Dermatological Research Institute.'. Results may vary depending on individual skin types..