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

tatcha-the-serum-stick.
Proactiv Post Blemish 10 Vitamin C Serum.

Product category and function

The Serum Stick
Post Blemish 10% Vitamin C Serum
Serums/Treatments Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.
Concentrated formulas for hydrating and addressing skin issues.
---- ----

Ingredient highlights

The Serum Stick
Post Blemish 10% Vitamin C Serum
Ingredient info Ingredient info

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

cruelty-free

Alcohol-free

Paraben-free

SLS-free

Mica-free

Fragrance-free

Full ingredient list

The Serum Stick
Post Blemish 10% Vitamin C Serum
No. of common ingredients = 0
Total Number of ingredients = 15 Total Number of ingredients = 21
Squalane, helianthus annuus (sunflower) seed wax, cera alba (beeswax/cire d’ abeille), oryza sativa (rice) bran oil, saccharomyces/rice ferment filtrate, camellia sinensis leaf extract, cladosiphon okamuranus extract, betaphycus gelatinum extract, sodium hyaluronate, tocopherol, aqua/water/eau, pentylene glycol, propanediol, ethylhexylglycerin, phenoxyethanol. Water, 3-o-ethyl ascorbic acid, butylene glycol, ethoxydiglycol, sodium citrate, polysorbate 20, citric acid, pentylene glycol, polyacrylate crosspolymer-6, propanediol, glycerin, caprylyl glycol, ethylhexylglycerin, tocopherol, sodium metabisulfite, glycyrrhiza glabra (licorice) root extract, tetrasodium glutamate diacetate, phenoxyethanol, hydrolyzed sodium hyaluronate, sodium benzoate, centella asiatica extract

Notable ingredients

The Serum Stick
Post Blemish 10% Vitamin C Serum

Ingredients with their functions

The Serum Stick
Post Blemish 10% Vitamin C Serum

1

Squalane

Function: Emollient/Moisturizer, Skin conditioning

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

2

Helianthus annuus (sunflower) seed wax

Function: Skin conditioning

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

3

Cera alba (beeswax/cire d’ abeille)

Also-called: Beeswax, Cera Alba/Beeswax/Cire D'abeille | Function: Emollient/Moisturizer, Film forming, Surfactant/Cleansing, Skin conditioning

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

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.

3

Butylene glycol

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

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

Price range

The Serum Stick
Post Blemish 10% Vitamin C Serum
$20 to $50
$20 to $50

Where to buy

The Serum Stick
Post Blemish 10% Vitamin C Serum

Near dupes

The Serum Stick
Post Blemish 10% Vitamin C Serum

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.