• TIRTIR Niacinamide 20% Serum 30ml | Brightening & Anti - Aging Korean Skincare with Retinol & Glutathione - T.E.R
  • TIRTIR Niacinamide 20% Serum 30ml | Brightening & Anti - Aging Korean Skincare with Retinol & Glutathione - T.E.R
  • TIRTIR Niacinamide 20% Serum 30ml | Brightening & Anti - Aging Korean Skincare with Retinol & Glutathione - T.E.R
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TIRTIR Niacinamide 20% Serum 30ml

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$24.99 USD
$24.99 USD
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Is this right for you?Step 4 of 7 · Serum / essence
  1. Oil cleanse
  2. Cleanse
  3. Tone
  4. Serum
  5. Eye
  6. Moisturize
  7. SPF
Made for
All skin typesNormal
Targets
Pores & oilDullness & glowFine lines & firmness
Key ingredients
NiacinamideRetinol
Texture
Serum
How to use
Morning and night, after toner and before moisturizer. Thinnest textures go first.

Seal it in with a moisturizer

SUPPURU Calming Cream | Soothing Moisturizer for Sensitive & Acne - Prone Skin (50g) - T.E.RSUPPURU Calming Cream $25.00 Medicube Collagen Jelly Cream | 98% Hydrolyzed Collagen for Enhanced Elasticity - T.E.RMedicube Collagen Jelly Cream $18.99
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Fade dark spots and brighten skin tone with this high-strength serum powered by 20% niacinamide, encapsulated retinol, and antioxidants. It smooths texture, refines pores, and boosts radiance without irritation.

✨ 20% niacinamide to fade dark spots & even skin tone
🌿 Encapsulated retinol for anti-aging & texture refinement
💧 Glutathione & adenosine for antioxidant protection & elasticity
🌸 Lightweight, fast-absorbing texture for easy layering
🛡️ Gentle yet effective for visible results

Ingredients

Water, Niacinamide, Glycerin, Butylene Glycol, Propanediol, Alpha-Arbutin, 1,2-Hexanediol, Hydroxyacetophenone, Retinol, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Brassica Campestris (Rapeseed) Sterols, Cholesterol, Polyglyceryl-10 Laurate, Glutathione, Zinc PCA, and more.
Please note that ingredient lists may change or vary over time. For the most accurate and up-to-date information, refer to the product packaging or the manufacturer's official website.

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  • Features & Benefits

    ✔️ High-Concentration Niacinamide (20%)
    ✔️ Targets Hyperpigmentation & Fine Lines
    ✔️ Boosted with Retinol for Anti-Aging
    ✔️ Safe for Sensitive & Acne-Prone Skin
    ✔️ Non-Greasy, Quick-Absorbing Formula
    ✔️ Works Well with Most Routines

  • Product Details

    ✨ 100% Authentic – Sourced directly from Korea
    📅 Best By: 09/2027
    🔖 UPC: 8809928132969
    ✅ Return accepted within 30 days
    📦 Ships Fast from the USA

  • How To Use

    ① After cleansing and toning, apply 1–2 pumps to face
    ② Gently pat into skin until fully absorbed
    ③ Follow with moisturizer and SPF in the morning
    ④ Use at night for intensive brightening and anti-aging support
    ⑤ Begin using 2–3 times a week and gradually increase to daily use

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