COSRX - The Niacinamide 15 Serum 20ml

Product Introduction

COSRX The Niacinamide 15 Serum 20ml is a Korean treatment format with a named active-ingredient focus for shoppers building a considered, gradual skincare routine.

Key Benefits

• Ingredient-led formula identified by the product title
• Supports a targeted, step-by-step routine
• Allows shoppers to select active type by texture and routine preference

Key Ingredients

• Niacinamide: The product’s named niacinamide focus defines its ingredient-led skincare identity.
• Humectant components: Support a moisture-focused serum texture.
• Conditioning ingredients: Help make the treatment easy to layer.

Texture & Experience

A leave-on treatment texture intended to be layered thoughtfully within a skincare routine.

Suitable For

Suitable for shoppers seeking a named active-ingredient skincare treatment. Introduce one new active product at a time and follow packaging directions.

How to Use

After cleansing and toner, apply a small amount as directed. Follow with moisturiser; use sunscreen during the day. Keep routines simple and separate strong actives when product directions recommend it.

Summary

COSRX Korean active skincare treatment for shoppers comparing ingredient-led routine care, gradual introduction and thoughtful daily layering.

FAQ

When do I apply this treatment?

Apply after cleansing and toner, then follow with moisturiser as directed.

How should I introduce an active skincare product?

Start gradually, follow packaging directions and introduce one new active product at a time.

Can I combine multiple strong actives?

Keep routines simple and consult product directions; many shoppers separate strong active steps between routines.

Do I need sunscreen?

Use sunscreen during daytime routines, especially when using ingredient-led treatments.

How do I choose an active treatment?

Choose based on the named ingredient, your routine experience and the product’s listed application guidance.

Full Ingredients

Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol

Please refer to product packaging for the most current full ingredient list and directions.