Target Dark Spots. Reveal Your Natural Glow.

5% Niacinamide + 2% Tranexamic Acid | Brightening, hydration & barrier care.

Meet DIINBI Pure Brightening Real Serum, a Korean brightening treatment designed to visibly improve uneven tone, dark spots and dullness without compromising skin comfort. A targeted combination of 5% niacinamide and 2% tranexamic acid is supported by alpha-arbutin, ascorbyl glucoside and glutathione for clearer, more radiant-looking skin.

Why You'll Love It

• Targets visible discoloration: Helps fade the appearance of dark spots, post-blemish marks and uneven pigmentation.
• Brightens & evens tone: Supports a more luminous, consistent-looking complexion.
• Hydrates deeply: Promotes softness and long-lasting moisture.
• Calms and comforts: Helps reduce the appearance of temporary redness from irritation.
• Supports the moisture barrier: Keeps skin looking healthy and resilient.

Key Ingredients

• Niacinamide (5%): Improves the appearance of uneven tone and supports barrier function.
• Tranexamic Acid (2%): Helps reduce the appearance of stubborn discoloration.
• Alpha-Arbutin: An additional brightening ingredient for a more even-looking complexion.
• Ascorbyl Glucoside: A stable vitamin C derivative that supports radiance.
• Glutathione: An antioxidant used in brightening skincare.

Clinically Tested in Korea

In manufacturer-reported testing by the Korea Institute of Dermatological Sciences (July 7–August 14, 2025), measured improvements included 14.2% in the appearance of hyperpigmentation after two weeks, 5.5% in skin-tone evenness after two weeks, and 41.9% in 24-hour hydration. Results are from the cited testing; individual results may differ.

Formula: Fragrance-free, oil-free, alcohol-free, paraben-free, phenoxyethanol-free, silicone-free and free of synthetic colorants.

How to use: Apply to clean skin before moisturizer, following the package directions. Use broad-spectrum sunscreen during the day.

Size: 50 mL / 1.69 fl oz
Made in: South Korea

For external cosmetic use only. Check the product label for the complete ingredient list and precautions.