A high-potency brightening serum formulated with 15% Niacinamide and Yuja (Yuzu) extract to deliver powerful skin tone correction, pore minimizing, and radiance-boosting benefits. Developed by Korean skincare brand K-SECRET, this Seoul 1988-inspired glow serum targets hyperpigmentation, dullness, enlarged pores, and uneven skin tone for a visibly brighter, smoother, and more luminous complexion. A results-driven daily serum for anyone seeking a high-concentration Niacinamide treatment with the added brightening power of Korean Yuja citrus.

Key Benefits

• 15% Niacinamide Brightening: High-concentration Niacinamide visibly fades dark spots, hyperpigmentation, and post-acne marks while evening out skin tone for a clearer, more radiant complexion
• Yuja Citrus Glow Boost: Korean Yuja (Yuzu) extract delivers Vitamin C-rich brightening and antioxidant benefits to amplify radiance and protect against environmental skin damage
• Pore Minimizing: Niacinamide regulates sebum production and visibly tightens enlarged pores for a smoother, more refined skin surface
• Skin Tone Correction: Dual brightening actives work synergistically to correct uneven skin tone, reduce discoloration, and deliver a glass-skin, lit-from-within glow
• Antioxidant Protection: Yuja extract neutralizes free radical damage from UV exposure and environmental pollution to prevent premature skin aging

Best For

Dull skin, uneven skin tone, hyperpigmentation, dark spots, enlarged pores, oily skin, and anyone seeking a high-concentration Niacinamide brightening serum for a visible glow

How To Use

After cleansing and toning, apply 2 to 3 drops to the face and neck. Gently press into skin until fully absorbed. Follow with moisturizer and broad-spectrum SPF in the morning. Suitable for morning and evening use. If new to high-concentration Niacinamide, start with evening use only and gradually introduce to morning routine.

Product Details

• Volume: 30ml
• Key Ingredients: Niacinamide 15%, Yuja (Yuzu) Extract
• Origin: South Korea
• Brand: K-SECRET