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Medik8
C-Tetra Advanced Gel-Serum

Versus

Sunday Riley
C.E.O. 15% Vitamin C Brightening Serum

Product category and function

C-Tetra Advanced Gel-Serum

C.E.O. 15% Vitamin C Brightening Serum

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

C-Tetra Advanced Gel-Serum

C.E.O. 15% Vitamin C Brightening 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 cruelty-free

Full ingredient list

C-Tetra Advanced Gel-Serum

C.E.O. 15% Vitamin C Brightening Serum

No. of common ingredients = 0
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. 11	Water(eau)(aqua), tetrahexyldecyl ascorbate, squalane, polyglyceryl-6 distearate, peg-8 beeswax, ppg-12/smdi copolymer, glycine soja (soybean) sterols, sodium phytate, tocopherol, acetamidoethoxyethanol, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium acrylate/sodium acryloyldimethyl taurate copolymer, jojoba esters, glycolic acid, caprylyl glycol, cetyl alcohol, polyglyceryl-3 beeswax, chlorphenesin, glycerin, polysorbate 60, sorbitan isostearate, saccharide isomerate, citrus aurantium dulcis (orange) peel oil, citrus tangerina (tangerine) peel oil, linalool, limonene, phenoxyethanol

No. of common ingredients = 0

Total Number of ingredients = 31

Total Number of ingredients = 27

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.

Water(eau)(aqua), tetrahexyldecyl ascorbate, squalane, polyglyceryl-6 distearate, peg-8 beeswax, ppg-12/smdi copolymer, glycine soja (soybean) sterols, sodium phytate, tocopherol, acetamidoethoxyethanol, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium acrylate/sodium acryloyldimethyl taurate copolymer, jojoba esters, glycolic acid, caprylyl glycol, cetyl alcohol, polyglyceryl-3 beeswax, chlorphenesin, glycerin, polysorbate 60, sorbitan isostearate, saccharide isomerate, citrus aurantium dulcis (orange) peel oil, citrus tangerina (tangerine) peel oil, linalool, limonene, phenoxyethanol

Notable ingredients

C-Tetra Advanced Gel-Serum

C.E.O. 15% Vitamin C Brightening Serum

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

Soothing: Jojoba esters

Antioxidant: Tocopherol, Tetrahexyldecyl ascorbate

Exfoliant: Glycolic acid

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Ingredients with their functions

C-Tetra Advanced Gel-Serum

C.E.O. 15% Vitamin C Brightening 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.

Tetrahexyldecyl ascorbate

Function: Skin conditioning, Antioxidant

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

Isododecane

Function: Skin conditioning, Solvent

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