COSRX The Niacinamide 15 Serum - 20ml

Tighten your skin with 15% niacinamide – reduces blemishes, refines pores and regulates sebum.

€25,90

€1.295,00 l

Out of stock

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15% Niacinamide: Reduces impurities, regulates sebum and visibly improves skin texture
Zinc PCA: Regulates sebum production, has antibacterial properties, and supports the skin in cases of inflammatory acne.
Acetyl Glucosamine: Refines pores and helps smooth pigmentation spots and acne scars.
Moisturizing care: Trehalose and allantoin soothe the skin and provide long-lasting moisture.
Light texture: Absorbs quickly, is non-greasy and is ideal for oily, blemished and combination skin.

The Niacinamide 15 Serum from COSRX – Your helper for clear skin

Discover the COSRX The Niacinamide 15 Serum

Are you looking for an effective solution for acne, blemishes, and enlarged pores? The COSRX The Niacinamide 15 Serum is a highly concentrated serum with 15% niacinamide that specifically targets skin problems. It refines the complexion, regulates sebum production, and reduces acne scars and hyperpigmentation. Thanks to its carefully formulated texture, it is ideal for oily, blemished, and combination skin.

What makes this serum so special?

  • 15% Niacinamide: Promotes cell renewal, reduces impurities and regulates sebum production.
  • Zinc PCA: Reduces excess sebum, inhibits inflammation and supports skin regeneration.
  • Acetyl Glucosamine: Refines pores and ensures an even skin tone.
  • Trehalose: Provides the skin with intensive moisture and protects against free radicals.
  • Allantoin: Soothes irritated skin and supports cell renewal.

This is how the Niacinamide 15 Serum from COSRX can help you.

  • Reduces acne and blackheads: Targets skin impurities and helps to refine pores.
  • Regulates sebum production: For a balanced complexion without excessive shine.
  • Reduces hyperpigmentation: Helps fade pigment spots.
  • Smoothes the skin texture: The skin feels softer and more supple.
  • Moisture and care: Provides moisture without weighing down the skin.

Ingredients that inspire

Aqua, Pentylene Glycol, Niacinamide (15%), Butylene Glycol, Acetyl Glucosamine, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol.

Each ingredient has been carefully selected to provide optimal support for your skin. The serum contains no irritating additives and is suitable for daily use.

Here's how to use the COSRX The Niacinamide 15 Serum

  1. Cleansing: Cleanse your face thoroughly.
  2. Application: Apply a few drops of the serum to cleansed skin.
  3. Massage in: Gently massage it in with your fingertips until it is completely absorbed.
  4. Aftercare: Use a moisturizer afterwards.
  5. In the morning: Apply sunscreen (SPF 30 or higher) throughout the day.

Who is this serum suitable for?

The Niacinamide 15 Serum is ideal for:

  • Oily and blemished skin
  • Combination skin with enlarged pores
  • Skin prone to acne
  • Skin with pigment spots and acne scars

Why you'll love the COSRX The Niacinamide 15 Serum

  • Highly concentrated formula with 15% niacinamide
  • Targeted care for improved skin appearance
  • Light, fast-absorbing texture
  • Dermatologically tested and suitable for all skin types

Frequently Asked Questions (FAQs)

1. Can I use the serum daily?
Yes, it is suitable for both daily morning and evening routines.

2. Do I need to apply sunscreen after using it?
Yes, especially in the morning you should apply sunscreen with at least SPF 30.

3. Is the serum suitable for sensitive skin?
Yes, the formula is gentle, but a patch test is recommended for very sensitive skin.

4. Does the serum help against acne scars?
Yes, the high niacinamide content can visibly reduce pigment spots and acne scars.

5. Can I combine the serum with other active ingredients?
Yes, it combines well with hyaluronic acid and vitamin C.


Discover the COSRX The Niacinamide 15 Serum now – for smooth, clear skin!
Contents: 20ml | Ideal for oily, blemished and combination skin | Dermatologically tested

• Apply to dry skin after cleansing
• Apply a few drops of the serum with your fingertips
• Gently massage into face and neck
• Wait until the serum is completely absorbed.
• In the morning, also use a sunscreen with at least SPF 30.

Light, gel-like texture, absorbs quickly and leaves a non-sticky, fresh feeling on the skin.

Inhaltsstoffe (INCI)

Water, Pentylene Glycol, Niacinamide (15%), Butylene Glycol, Acetyl Glucosamine, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol

Wirkstoff-Guide

Regulatory agents

• Niacinamide – Supports skin balance, visibly reduces blemishes and promotes an even skin tone
• Zinc PCA – Helps normalize sebum production and has antimicrobial properties

Skin refinement

• Acetyl Glucosamine – Promotes cell renewal and supports a smoother skin appearance
• Citric Acid – Ensures a stable pH value and supports a clear skin feeling

Moisture & Soothing

• Trehalose – Provides long-lasting moisture and protects against external environmental influences
• Allantoin – Soothes the skin and supports regeneration
• Pentylene Glycol – Moisturizing and supports the stability of the formulation
• Butylene Glycol – Ensures better active ingredient distribution and skin compatibility

Structure & Stability

• Xanthan gum – Gives the texture stability and ensures even application
• Pullulan – Visibly smooths the skin and provides a pleasant skin feel
• Sodium Phytate – Stabilizes the formula and supports the effect of other ingredients
• Ethylhexylglycerin – Has a skin-conditioning effect and supports preservation
• Tocopherol – Effective antioxidant to protect against free radicals

  • Included is a 20 ml bottle of COSRX The Niacinamide 15 Serum in its original packaging.

For external use only. Avoid contact with eyes.

Optimal storage temperature: Store between 0°C and 25°C.
Protect from direct sunlight: Store in a cool, dry place.
Seal airtight: After each use, close the lid tightly to maintain the effectiveness of the ingredients.
Keep out of reach of children: For external use only.
Note: Use within 12 months of opening.

  1. Can the serum be used daily?
    Yes, the serum is suitable for daily use, morning and evening.
  2. Is this product suitable for sensitive skin?
    Yes, the formulation is mild. However, a patch test before first use is recommended.
  3. Does the serum help with enlarged pores?
    Yes, the active ingredients such as niacinamide and acetyl glucosamine support pore refinement.
  4. Can I combine the serum with other active ingredients?
    Yes, it combines well with moisturizers, hyaluronic acid or vitamin C.
  5. Is the serum comedogenic?
    No, the ingredients are formulated to be non-comedogenic and are suitable for skin prone to blemishes.

€25,90

€1.295,00 l

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