Cos De Baha Azelaic Acid 20% Cream (AZ20) 50ml

The COS DE BAHA Tranexamic Acid 15% Glutathione Serum (T15) is a highly potent, targeted Korean skincare solution formulated to combat stubborn hyperpigmentation, melasma, and deep sun spots. This lightweight, water-based serum works by interrupting melanin production at multiple stages, helping your skin achieve a brighter, more even tone. Ideal for those struggling with persistent pigmentation issues, T15 combines Tranexamic Acid and Glutathione to deliver clinical-level results in a safe, non-prescription formula. Its gentle, non-sticky texture makes it suitable for sensitive or combination skin, provided careful usage and patch testing.

Key Benefits

Reduces Hyperpigmentation: Targets stubborn melasma, PIH, and sun damage for a clearer complexion.

Brightening & Radiance: Glutathione and Tranexamic Acid work synergistically to inhibit melanin and enhance skin glow.

Strengthens Skin Barrier: Niacinamide supports the skin’s natural defenses, keeping it calm and resilient.

Hydrating Formula: Hyaluronic Acid ensures skin remains plump and hydrated while potent actives work.

Professional-Grade Potency: 15% Tranexamic Acid delivers highly effective pigmentation correction for persistent spots.

Lightweight & Non-Sticky: Absorbs quickly without leaving residue, perfect for layering under moisturizer.

Key Ingredients & Their Benefits

Tranexamic Acid (15%): Blocks pigment transfer from melanocytes to skin surface, effectively targeting melasma and deep pigmentation.

Glutathione: Powerful antioxidant that inhibits melanin production and boosts overall skin radiance.

Niacinamide: Calms inflammation, strengthens the skin barrier, and prevents pigment accumulation.

Hyaluronic Acid & Hydrolyzed Hyaluronic Acid: Deeply hydrate and maintain moisture balance, enhancing skin’s softness.

Panthenol (Vitamin B5): Supports hydration and barrier repair for healthier, resilient skin.

Major Ingredients

Water/Aqua, Tranexamic Acid, Propanediol, 1,2-Hexanediol, Citric Acid, Panthenol, Glutathione, Allantoin, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Polysorbate 20, Camellia Sinensis Leaf Extract, Sambucus Nigra Flower Extract, Momordica Charantia Fruit Extract, Leontopodium Alpinum Extract.

How to Use

⚠️ Caution: This is a high-strength serum. Patch test before first use.

1️⃣ Start Slowly: Use 2–3 nights per week initially.
2️⃣ Apply Serum: After cleansing and toning, take 2–3 drops and gently pat onto affected areas.
3️⃣ Layer Carefully: Avoid using alongside other strong acids, high-concentration Vitamin C, or prescription retinoids. Alternate days if needed.
4️⃣ Follow-Up: Apply your regular moisturizer and always wear broad-spectrum SPF 50+ during the day.

⚠️ Disclaimer

Please check the product in front of the delivery person. Once delivery is completed, no complaints or exchanges will be accepted. Product packaging may change from time to time, so you may receive either the old or new version — this is completely normal.

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