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

NourishMax
Triple Vitamin C Serum

Versus

Medik8
C-Tetra Advanced Gel-Serum

Product category and function

Triple Vitamin C Serum

C-Tetra Advanced Gel-Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
----	----

Ingredient highlights

Triple Vitamin C Serum

C-Tetra Advanced Gel-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

Triple Vitamin C Serum

C-Tetra Advanced Gel-Serum

No. of common ingredients = 0
Water, ethyl ascorbic acid, sodium ascorbyl phosphate, glycerin, butylene glycol, peg-8, propanediol, glycereth-7 triacetate, tetrahexyldecyl ascorbate, psidium guajava leaf extract, saccharomyces lysate extract, nonapeptide-1, psidium guajava fruit extract, vitis vinifera (grape) fruit extract, triticum vulgare (wheat) sprout extract, sodium hyaluronate, aloe barbadensis leaf juice, cellulose gum, xanthan gum, tocopheryl acetate, hydroxymethoxyphenyl decanone, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium benzotriazolyl butylphenol sulfonate, caprylyl glycol, dipropylene glycol, ethylhexylglycerin, fragrance, sodium phosphate, disodium phosphate, phenoxyethanol, peg-40 hydrogenated castor oil, ppg-26-buteth-26, yellow 6, red 40 10	Water, tetrahexyldecyl ascorbate, isododecane, propanediol, acetyl glucosamine, squalane, tocopherol, acetyl zingerone, camellia sinensis (green tea) leaf vesicles, hydroxyacetophenone, sodium hyaluronate, cellulose, avena sativa (oat) kernel extract, glycerin, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, citrus grandis (grapefruit) peel oil, sucrose stearate, tetrasodium glutamate diacetate, ethylhexylglycerin, acrylates/c10-30 alkyl acrylate crosspolymer, xanthan gum, sodium benzoate, cellulose gum, 1,2-hexanediol, polysorbate 60, sorbitan isostearate, citric acid, phenoxyethanol, citral, linalool, limonene.

No. of common ingredients = 0

Total Number of ingredients = 34

Total Number of ingredients = 31

Water, ethyl ascorbic acid, sodium ascorbyl phosphate, glycerin, butylene glycol, peg-8, propanediol, glycereth-7 triacetate, tetrahexyldecyl ascorbate, psidium guajava leaf extract, saccharomyces lysate extract, nonapeptide-1, psidium guajava fruit extract, vitis vinifera (grape) fruit extract, triticum vulgare (wheat) sprout extract, sodium hyaluronate, aloe barbadensis leaf juice, cellulose gum, xanthan gum, tocopheryl acetate, hydroxymethoxyphenyl decanone, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium benzotriazolyl butylphenol sulfonate, caprylyl glycol, dipropylene glycol, ethylhexylglycerin, fragrance, sodium phosphate, disodium phosphate, phenoxyethanol, peg-40 hydrogenated castor oil, ppg-26-buteth-26, yellow 6, red 40

Water, tetrahexyldecyl ascorbate, isododecane, propanediol, acetyl glucosamine, squalane, tocopherol, acetyl zingerone, camellia sinensis (green tea) leaf vesicles, hydroxyacetophenone, sodium hyaluronate, cellulose, avena sativa (oat) kernel extract, glycerin, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, citrus grandis (grapefruit) peel oil, sucrose stearate, tetrasodium glutamate diacetate, ethylhexylglycerin, acrylates/c10-30 alkyl acrylate crosspolymer, xanthan gum, sodium benzoate, cellulose gum, 1,2-hexanediol, polysorbate 60, sorbitan isostearate, citric acid, phenoxyethanol, citral, linalool, limonene.

Notable ingredients

Triple Vitamin C Serum

C-Tetra Advanced Gel-Serum

Sunscreen/UV filter: Sodium benzotriazolyl butylphenol sulfonate

Antioxidant: Sodium ascorbyl phosphate, Tocopheryl acetate, Tetrahexyldecyl ascorbate

Solvent: Water, Butylene glycol, Dipropylene glycol, Glycereth-7 triacetate, Glycerin, Peg-8, Propanediol

Skin brightening: Acetyl glucosamine

Antioxidant: Acetyl zingerone, Avena sativa (oat) kernel extract, Hydroxyacetophenone, Tocopherol, Tetrahexyldecyl ascorbate

Solvent: Water, 1,2-hexanediol, Glycerin, Limonene, Propanediol, Isododecane

Load all

Ingredients with their functions

Triple Vitamin C Serum

C-Tetra Advanced Gel-Serum

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.

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.

Sodium ascorbyl phosphate

Function: Antioxidant

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