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

cosrx-the-vitamin-c-13-serum.
Laneige Radian C Spot Serum.

Product category and function

The Vitamin C 13 Serum
Radian C Spot Serum
Serums/Treatments Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.
Concentrated formulas for hydrating and addressing skin issues.
---- ----

Ingredient highlights

The Vitamin C 13 Serum
Radian C Spot 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

The Vitamin C 13 Serum
Radian C Spot Serum
No. of common ingredients = 0
Total Number of ingredients = 25 Total Number of ingredients = 34
Water, ascorbic acid (13%), butylene glycol, dipropylene glycol, tromethamine, 3-o-ethyl ascorbic acid, panthenol, acetyl glucosamine, caffeine, sodium hyaluronate, sodium sulfite, disodium edta, glutathione, adenosine, gardenia florida fruit extract, allantoin, dextrin, squalane, tocotrienols, tocopherol, elaeis guineensis (palm) oil, arginine, niacinamide, pentylene glycol, glycyrrhiza glabra (licorice) root extract Water/aqua/eau, ascorbic acid, propanediol, dimethicone, dipropylene glycol, tromethamine, 3-o-ethyl ascorbic acid, squalane, panthenol, sodium chloride, acetyl glucosamine, limonene, caffeine, sodium hyaluronate, sodium sulfite, disodium edta, glutathione, fragrance/parfum, gardenia florida fruit extract, dextrin, linalool, citral, butylene glycol, arginine, xanthan gum, niacinamide, tranexamic acid, glycyrrhiza glabra (licorice) root extract, tocopherol, methyl trimethicone, carthamus tinctorius (safflower) seed oil, (1,2-hexanediol), ethylhexylglycerin, centella asiatica flower/leaf/stem extract

Notable ingredients

The Vitamin C 13 Serum
Radian C Spot Serum

Ingredients with their functions

The Vitamin C 13 Serum
Radian C Spot Serum

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 (13%)

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

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

3

Butylene glycol

Function: Viscosity controlling, Skin conditioning, Humectant/Moisturizer, Solvent

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

1

Water/aqua/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

Ascorbic acid

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

The Vitamin C 13 Serum
Radian C Spot Serum
$20 to $50
$20 to $50

Where to buy

The Vitamin C 13 Serum
Radian C Spot Serum

Near dupes

The Vitamin C 13 Serum
Radian C Spot Serum

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.