Disclosure: This page may contain affiliate links. Read our full disclosure policy.

nip-fab-vitamin-c-fix-concentrate-15.
cosrx-the-vitamin-c-23-serum.

Product category and function

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum
Serums/Treatments Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.
Concentrated formulas for hydrating and addressing skin issues.
---- ----

Ingredient highlights

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum
Ingredient info Ingredient info

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

Full ingredient list

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum
No. of common ingredients = 0
Total Number of ingredients = 25 Total Number of ingredients = 34
Aqua/water/eau, sodium ascorbyl phosphate, 3-o-ethyl ascorbic acid, ascorbyl glucoside, propanediol, peg-40 hydrogenated castor oil, phenoxyethanol, xanthan gum, benzyl alcohol, citric acid, sodium citrate, helianthus annuus (sunflower) seed oil, parfum (fragrance), ferulic acid, niacinamide, disodium edta, allantoin, mica, panthenol, dehydroacetic acid, beta-carotene, daucus carota sativa (carrot) root extract, daucus carota sativa (carrot) seed oil, tocopherol, limonene Water, ascorbic acid (23%), propanediol, dimethicone, tromethamine, panthenol, ethyl ascorbic acid, squalane, caffeine, sodium chloride, sodium hyaluronate, sodium sulfite, disodium edta, glutathione, adenosine, acetyl glucosamine, gardenia florida fruit extract, allantoin, dextrin, tocotrienols, tocopherol, elaeis guineensis (palm) oil, butylene glycol, arginine, niacinamide, pentylene glycol, alcohol denat., helianthus annuus (sunflower) seed oil, glycyrrhiza glabra (licorice) root extract, methyl trimethicone, carthamus tinctorius (safflower) seed oil, camellia japonica seed oil, daucus carota sativa (carrot) root extract, beta-carotene

Notable ingredients

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum

Ingredients with their functions

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum

1

Aqua/water/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

2

Sodium ascorbyl phosphate

Function: Antioxidant

We don’t have a detailed description of this ingredient yet.

3

3-o-ethyl ascorbic acid

Also-called: 3-O-Ethyl Ascorbate, EAC, Ethyl Ascorbic Acid, Ethyl-Ascorbic Acid | Function: Skin conditioning, Skin brightening, Antioxidant

We don’t have a detailed description of this ingredient yet.

1

Water

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

2

Ascorbic acid (23%)

Also-called: L-ascorbic acid | Function: Skin conditioning, Buffering, Antioxidant

We don’t have a detailed description of this ingredient yet.

3

Propanediol

Also-called: Zemea | Function: Viscosity controlling, Solvent

We don’t have a detailed description of this ingredient yet.

Price range

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum
$20 to $50
$20 to $50

Where to buy

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum

Near dupes

Vitamin C Fix Concentrate 15%
The Vitamin C 23 Serum

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.