ProtoClinical k-beauty Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml single serum bottle on a clean white background
ProtoClinical k-beauty Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml single serum bottle on a clean white background
ProtoClinical k-beauty Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml single clear serum bottle with purple label and white dropper cap on a clean white background
Cos De BAHA

Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml

$17.03
Delivers deep, lasting hydration that keeps skin plump throughout the day Calms irritation and reactive redness on contact Fades the look of dark spots and post-inflammatory marks
Troubled by dark spots and acne scars? This potent serum comes infused with the powerful duo of tranexamic acid and niacinamide to fade hyperpigmentation and dark spots. Green tea in the formula soothes and protects skin, while aloe leaf extract and sodium hyaluronate keep skin hydrated. Free of...
For sensitive skin dealing with sensitivity and redness: Cos De BAHA's serum with Niacinamide works from within to deliver delivers deep, lasting hydration that keeps skin plump throughout the day, not just temporary comfort.
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Korean Beauty Formulation Suitable for Daily Use
Niacinamide 5% Green Tea Extract Aloe Vera Tranexamic Acid 5%
Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml
Cos De BAHA TN Tranexamic Acid 5% Serum with Niacinamide 5% 60ml Default Title
$17.03
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
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$17.03

Niacinamide 5%, Green Tea Extract, Aloe Vera, and Tranexamic Acid 5%

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. In this serum, Niacinamide targets sensitivity and redness, delivering delivers deep, lasting hydration that keeps skin plump throughout the day with consistent use.

Niacinamide 5%
intercepts melanin transfer to fade spots and refine pore texture from within
Green Tea Extract
delivers epigallocatechin gallate (EGCG), one of the most potent natural antioxidants known
Aloe Vera
delivers instant soothing hydration with natural anti-inflammatory compounds
Tranexamic Acid 5%
blocks melanin transfer to fade stubborn dark spots that resist other treatments
The texture

Lightweight, absorbing serum

Troubled by dark spots and acne scars? This potent serum comes infused with the powerful duo of tranexamic acid and niacinamide to fade hyperpigmentation and dark spots. Green tea in the formula soothes and protects skin, while aloe leaf extract and sodium hyaluronate keep skin hydrated. Free of potentially irritating ingredients like sulfates and mineral oils, this product is suitable for sensitive skin.

Sensitive Skin Sensitivity and Redness Acne and Breakouts Dark Spots
Hover the swatch: it ripples like water

How to use

1

Step 1: After cleansing and toning, press 2 to 3 drops onto fingertips.

2

Step 2: Gently pat and press across forehead, cheeks, nose, and chin.

3

Step 3: Allow 30 seconds for full absorption before the next step.

4

Step 4: Follow with moisturizer. Use sunscreen in the morning.

Full transparency

Ingredients

Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within, Green Tea Extract delivers epigallocatechin gallate (EGCG), and Aloe Vera completes the formula as a delivers instant soothing hydration with natural anti-inflammatory compounds.

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. At concentrations above 4%, it also regulates sebum output without stripping, making it one of the few actives that benefits every skin type.

The detail

Specs & details

FormatLightweight serum
SizeDefault Title
Skin typesSensitive Skin
Country of originSouth Korea
Before you add to cart

Questions & answers

After cleansing and toning, before moisturizer. Serums deliver actives most effectively on freshly prepped skin.
Yes. Apply from thinnest to thickest consistency and allow each layer to absorb before the next.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers deep, lasting hydration that keeps skin plump throughout the day, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with sensitive skin dealing with sensitivity and redness. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Serums have a higher concentration of targeted actives than essences and a lighter consistency than most ampoules. They deliver the most potent treatment in your routine.
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Cos De BAHA
About the brand

OriginSeoul, KR
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