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

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

Versus

Paula's Choice
25% Vitamin C + Glutathione Clinical Serum

Product category and function

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

25% Vitamin C + Glutathione Clinical Serum

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

Ingredient highlights

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

25% Vitamin C + Glutathione Clinical 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

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

25% Vitamin C + Glutathione Clinical Serum

No. of common ingredients = 0
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 11	Aqua/water/eau, tetrahexyldecyl ascorbate, dimethicone, glycerin, c9-12 alkane, ascorbyl glucoside, silica, pyrus malus (apple) fruit extract, hydrogenated lecithin, polyglyceryl-6 polyricinoleate, acrylates/c10-30 alkyl acrylate crosspolymer, xanthan gum, oryza sativa (rice) bran extract, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, cetyl alcohol, caprylyl glycol, lysine carboxymethyl cysteinate, coco-caprylate/caprate, tocopherol, glutathione, sodium citrate, sodium phytate, hexylene glycol, ethylhexylglycerin, helianthus annuus (sunflower) seed extract, urea, mannitol, caprylic/capric triglyceride, sodium pca, rosmarinus officinalis (rosemary) leaf extract, polysorbate 60, sorbitan isostearate, trehalose, ascorbic acid, glucose, vanilla planifolia fruit extract, polyquaternium-51, ergothioneine, triacetin, sodium hyaluronate, phenoxyethanol

No. of common ingredients = 0

Total Number of ingredients = 27

Total Number of ingredients = 41

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

Aqua/water/eau, tetrahexyldecyl ascorbate, dimethicone, glycerin, c9-12 alkane, ascorbyl glucoside, silica, pyrus malus (apple) fruit extract, hydrogenated lecithin, polyglyceryl-6 polyricinoleate, acrylates/c10-30 alkyl acrylate crosspolymer, xanthan gum, oryza sativa (rice) bran extract, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, cetyl alcohol, caprylyl glycol, lysine carboxymethyl cysteinate, coco-caprylate/caprate, tocopherol, glutathione, sodium citrate, sodium phytate, hexylene glycol, ethylhexylglycerin, helianthus annuus (sunflower) seed extract, urea, mannitol, caprylic/capric triglyceride, sodium pca, rosmarinus officinalis (rosemary) leaf extract, polysorbate 60, sorbitan isostearate, trehalose, ascorbic acid, glucose, vanilla planifolia fruit extract, polyquaternium-51, ergothioneine, triacetin, sodium hyaluronate, phenoxyethanol

Notable ingredients

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

25% Vitamin C + Glutathione Clinical Serum

Soothing: Jojoba esters

Antioxidant: Tocopherol, Tetrahexyldecyl ascorbate

Exfoliant: Glycolic acid

Soothing: Rosmarinus officinalis (rosemary) leaf extract

Antioxidant: Ascorbic acid, Ascorbyl glucoside, Ergothioneine, Rosmarinus officinalis (rosemary) leaf extract, Tocopherol, Tetrahexyldecyl ascorbate, Vanilla planifolia fruit extract

Solvent: Aqua/water/eau, C9-12 alkane, Caprylic/capric triglyceride, Glycerin, Hexylene glycol, Triacetin

Load all

Ingredients with their functions

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

25% Vitamin C + Glutathione Clinical Serum

Water(eau)(aqua)

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.

Squalane

Function: Emollient/Moisturizer, Skin conditioning

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