Product DescriptionKey BenefitsKT939™ Patented Formula – A next-gen tyrosinase inhibitor to reduce melanin at the sourceClinically Proven – 4x brighter than Thiamidol, 100x than 577,...
Product Description
Key Benefits
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KT939™ Patented Formula – A next-gen tyrosinase inhibitor to reduce melanin at the source
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Clinically Proven – 4x brighter than Thiamidol, 100x than 577, 300x than 377
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Gentle Yet Powerful – Dermatologist-tested for sensitive skin
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Hydration Boost – Glycerin + Butylene Glycol + Xylitylglucoside for lasting moisture
Duo Synergy
KT-939 Brightening Serum (30ml)
- Targets melanin production
- Lightweight, fast-absorbing
- Enhanced penetration with Ethoxydiglycol
KT-939 Brightening Lotion (60ml)
- Locks in serum benefits
- Smooths, hydrates & mildly exfoliates
- Non-greasy, quick absorption
Hero Ingredients
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KT-939 (0.2%) – Advanced brightening compound
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Ethoxydiglycol – Boosts ingredient delivery
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Glycerin, Butylene Glycol, Xylitylglucoside – Deep hydration
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Citric Acid – Gentle resurfacing
Best For
- Dark spots, post-acne marks, sun spots, dullness
- Uneven tone & sensitive skin
How to Use
AM routine:
- Apply 2–3 pumps of serum to cleansed skin
- Follow with lotion
- Finish with SPF
Why Choose This Duo?
- Boosted results: serum + lotion synergy
- Gentle, non-irritating brightening
- Ideal for daily use
- Safe & effective for sensitive skin
