Allies of Skin 20% Vitamin C Brighten + Firm Serum Versus Sunday Riley C.E.O. 15% Vitamin C Brightening Serum
Updated on May 29, 2025
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 0 ingredients in common
Cool Features
They both contain Vitamin C and Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, parabens or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Allies of Skin 20% Vitamin C Brighten + Firm Serum 24 ingredients
Sunday Riley C.E.O. 15% Vitamin C Brightening Serum 27 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
Allies of Skin 20% Vitamin C Brighten + Firm Serum 24 ingredients
Sunday Riley C.E.O. 15% Vitamin C Brightening Serum 27 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Propanediol
Solvent
Glycerin
Humectant
3-O-Ethyl Ascorbic Acid
Skin Conditioning
Benzimidazole Diamond Amidoethyl Urea Carbamoyl Propyl Polymethylsilsesquioxane
Cosmetic Colorant
Dimethyl Isosorbide
SolventHelianthus Annuus Seed Wax
Skin Conditioning
Polyglyceryl-10 Tristearate
Skin Conditioning
Ethoxydiglycol
HumectantDicaprylyl Ether
Emollient
Water
Skin ConditioningCaprylyl Glycol
EmollientCitrus Aurantium Dulcis Callus Culture Extract
Skin ConditioningGlutathione
Acetyl Cysteine
Antioxidant
Dimethylmethoxy Chromanol
Antioxidant
Ergothioneine
Antioxidant
Tocopherol
Antioxidant
Gluconolactone
Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Xanthan Gum
EmulsifyingSilica
Abrasive
Sodium Benzoate
Masking
Calcium Gluconate
HumectantPhenoxyethanol
Preservative
Propanediol, Glycerin, 3-O-Ethyl Ascorbic Acid, Benzimidazole Diamond Amidoethyl Urea Carbamoyl Propyl Polymethylsilsesquioxane, Dimethyl Isosorbide, Helianthus Annuus Seed Wax, Polyglyceryl-10 Tristearate, Ethoxydiglycol, Dicaprylyl Ether, Water, Caprylyl Glycol, Citrus Aurantium Dulcis Callus Culture Extract, Glutathione, Acetyl Cysteine, Dimethylmethoxy Chromanol, Ergothioneine, Tocopherol, Gluconolactone, Leuconostoc/Radish Root Ferment Filtrate, Xanthan Gum, Silica, Sodium Benzoate, Calcium Gluconate, Phenoxyethanol
Water
Skin ConditioningTetrahexyldecyl Ascorbate
Antioxidant
Squalane
Emollient
Polyglyceryl-6 Distearate
Emulsifying
PEG-8 Beeswax
Emulsifying
PPG-12/Smdi Copolymer
EmollientGlycine Soja Sterols
Emollient
Sodium Phytate
Tocopherol
Antioxidant
Acetamidoethoxyethanol
Humectant
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingSodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingJojoba Esters
Emollient
Glycolic Acid
Buffering
Caprylyl Glycol
EmollientCetyl Alcohol
Emollient
Polyglyceryl-3 Beeswax
Emulsifying
Chlorphenesin
Antimicrobial
Glycerin
Humectant
Polysorbate 60
Emulsifying
Sorbitan Isostearate
Emulsifying
Saccharide Isomerate
Humectant
Citrus Aurantium Dulcis Peel Oil
Masking
Citrus Tangerina Peel Oil
Masking
Linalool
Perfuming
Limonene
Perfuming
Phenoxyethanol
Preservative
Water, Tetrahexyldecyl Ascorbate, Squalane, Polyglyceryl-6 Distearate, PEG-8 Beeswax, PPG-12/Smdi Copolymer, Glycine Soja 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 Peel Oil, Citrus Tangerina Peel Oil, Linalool, Limonene, Phenoxyethanol
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Allies of Skin 20% Vitamin C Brighten + Firm Serum 24 ingredients
Sunday Riley C.E.O. 15% Vitamin C Brightening Serum 27 ingredients
Reviews
Here's what our community thinks
