• KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster
  • KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster
  • KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster
  • KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster
  • KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster

KOSHINÉ KT-939 Anti-Pigment Serum – Intensive Dark Spot Reduction & Radiance Booster

Normaler Preis
 Scientifically Brightens Skin and Targets the Root Cause of Dark SpotsDirectly addresses pigmentation by inhibiting tyrosinase expressionPowered by KT939, a proprietary ingredient that blocks melanin...

 Scientifically Brightens Skin and Targets the Root Cause of Dark Spots

  • Directly addresses pigmentation by inhibiting tyrosinase expression
  • Powered by KT939, a proprietary ingredient that blocks melanin production at the source
  • Gentle and non-irritating, suitable for sensitive skin

✅ 4x Higher Inhibition Rate vs. Thiamidol
✅ 100x Higher Inhibition Rate vs. 577
✅ 300x Higher Inhibition Rate vs. 377


A Science-Backed Solution for Brighter, Spot-Free Skin – Achieve Results Faster

Excessive melanin production by melanocytes is a leading cause of pigmentation issues.
Tyrosinase, the key rate-limiting enzyme in melanin synthesis, is the main target.
By inhibiting tyrosinase activity, KT939 effectively reduces melanin at the source.


🔬 Scientifically Developed KT939

A powerful tyrosinase inhibitor that significantly reduces melanin production and promotes brighter, even-toned skin.

💧 Added Skin Moisturizing Ingredients

Hydrated Skin, Radiant Glow—No Makeup Needed

  • With Ethoxy Diglycol:
    Promotes KT939 penetration through the stratum corneum for fast, targeted results.
  • With Glycerin:
    Draws moisture to the skin surface, forms a protective barrier, prevents moisture loss, and supports pigmentation improvement.
  • With Butylene Glycol & Glyceryl Glucoside:
    Reinforces skin’s barrier, defends against environmental damage, and helps maintain moisture balance—ideal for sensitive skin.
  • Contains Multiple Moisturizing Agents:
    Deeply hydrates and nourishes while enhancing absorption, keeping skin soft and balanced.
  • With Citric Acid:
    Gently exfoliates, brightens dark spots, hydrates, controls oil, and tightens pores for clearer, smoother skin.
  • Additional Ingredients:
    Butylene Glycol, Dipropylene Glycol, Xylitol
    “Hydrate and nourish your skin all day.”

🎯 Targeted Solutions for Skin Concerns

  • Dull or uneven skin tone
  • Stubborn pigmentation
  • Persistent acne marks
  • Hard-to-fade dark spots
  • Sensitive or irritation-prone skin

📌 How to Use

  • Apply twice daily—once in the morning and once at night.
  • Gently spread the serum across the face and massage until fully absorbed.
  • For best results, use together with KT-939 Anti-Pigment Lotion.

🧾 Product Details

  • Brand: KOSHINÉ
  • Product Name: KOSHINÉ Anti-Pigment Serum
  • Key Ingredient: KT939
  • Net Content: 30ML
  • Shelf Life: 3 Years
  • Storage: Store at room temperature, away from direct sunlight