COSRX

The Niacinamide 15 Serum

Name: COSRX The Niacinamide 15 Serum
Brand: COSRX
Price: 33.00 AUD

20 g

A niacinamide serum with 15% Niacinamide, plus Zinc PCA · concentration not stated, Acetyl Glucosamine · concentration not stated.

At a glance

Niacinamide15% Niacinamide

Paired activesZinc PCA · concentration not stated, Acetyl Glucosamine · concentration not stated

Whennot stated

Packagingdropper bottle

Ingredient checks

FragranceNone found by this check

Volatile alcoholNone found by this check

SiliconesNone found by this check

Petrolatum / mineral oilNone found by this check

Checks read the sourced ingredient list only. Fatty alcohols like cetearyl alcohol are not volatile alcohol; “none found” means none from our check list on this sourced list, not a fragrance-free claim.

What the formula is built on

HydrateGlycerin

SootheAllantoin

Where to buy

W Cosmetics20 g$33.00

Prices as published by the retailer on 28 Sep 2026. They change; check before you buy.

How to use

For more details on how to start a return, visit our Returns page or contact our support team—we’re here to help! Shop confidently knowing we’ve got you covered.

Directions from wcosmetics.com.au.

Ingredients

Full ingredient list

Aqua/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

From wcosmetics.com.au.

Sources

FormulaFormula probable. The Australian retailer publishes a complete formula for the identified variant, but no sold-pack photograph or Australian brand formula was checked.

Australian retailerwcosmetics.com.au

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