SkinCeuticals Discoloration Defense Serum Sample 10 x 4mL, 40mL in Total

Extended 40mL Format: Contains 10mL more than standard retail packaging, supporting a prolonged corrective regimen aimed at improving the appearance of uneven pigmentation.

3% Tranexamic Acid + 1% Kojic Acid System: A synergistic combination designed to visibly reduce persistent dark spots and post-acne marks while helping to prevent reappearance over time.

5% Niacinamide + 5% HEPES Complex: Helps reinforce the skin barrier while encouraging gentle cellular renewal for a more balanced and uniform complexion.

Modular Preservation Design: Individually portioned 4mL glass vials help protect active ingredients from oxidation, maintaining optimal potency and consistent performance until the final dose.