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The Inkey List
Polyglutamic Acid Serum

Versus

Prequel
Multi-Quench Plumping Hydration Serum

Product category and function

Polyglutamic Acid Serum

Multi-Quench Plumping Hydration 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

Polyglutamic Acid Serum

Multi-Quench Plumping Hydration Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free vegan cruelty-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free vegan cruelty-free

Full ingredient list

Polyglutamic Acid Serum

Multi-Quench Plumping Hydration Serum

No. of common ingredients = 0
Water (aqua/eau), dimethicone, butylene glycol, bis-peg-12 dimethicone, glycerin, polysilicone-11, saccharomyces ferment, phenoxyethanol, sodium acrylate/sodium acryloyldimethyl taurate copolymer, isohexadecane, propanediol, polysorbate 80, sodium benzoate, hydroxyethylcellulose, lauroyl lysine, coco-glucoside, ethylhexylglycerin, potassium sorbate, sorbitan oleate, decyl glucoside, dimethylacrylamide/acrylic acid/polystyrene ethyl methacrylate copolymer, trisodium ethylenediamine disuccinate, polyglutamic acid, caprylyl glycol, hexylene glycol, oryza sativa (rice) bran extract 8	Water (aqua), glycerin, butylene glycol, polyglutamic acid, 1,2-hexanediol, ectoin, hibiscus sabdariffa fruit extract, erythritol, phenoxyethanol, propanediol, xanthan gum, caprylyl glycol, carbomer, ethylhexylglycerin, acrylates/c10-30 alkyl acrylate crosspolymer, tocopherol, citric acid, sodium hydroxide

No. of common ingredients = 0

Total Number of ingredients = 26

Total Number of ingredients = 18

Water (aqua/eau), dimethicone, butylene glycol, bis-peg-12 dimethicone, glycerin, polysilicone-11, saccharomyces ferment, phenoxyethanol, sodium acrylate/sodium acryloyldimethyl taurate copolymer, isohexadecane, propanediol, polysorbate 80, sodium benzoate, hydroxyethylcellulose, lauroyl lysine, coco-glucoside, ethylhexylglycerin, potassium sorbate, sorbitan oleate, decyl glucoside, dimethylacrylamide/acrylic acid/polystyrene ethyl methacrylate copolymer, trisodium ethylenediamine disuccinate, polyglutamic acid, caprylyl glycol, hexylene glycol, oryza sativa (rice) bran extract

Water (aqua), glycerin, butylene glycol, polyglutamic acid, 1,2-hexanediol, ectoin, hibiscus sabdariffa fruit extract, erythritol, phenoxyethanol, propanediol, xanthan gum, caprylyl glycol, carbomer, ethylhexylglycerin, acrylates/c10-30 alkyl acrylate crosspolymer, tocopherol, citric acid, sodium hydroxide

Notable ingredients

Polyglutamic Acid Serum

Multi-Quench Plumping Hydration Serum

Solvent: Water (aqua/eau), Butylene glycol, Glycerin, Hexylene glycol, Propanediol, Isohexadecane

Anti-microbial: Phenoxyethanol

Chelating: Trisodium ethylenediamine disuccinate

Soothing: Ectoin

Antioxidant: Tocopherol

Solvent: Water (aqua), 1,2-hexanediol, Butylene glycol, Glycerin, Propanediol

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Ingredients with their functions

Polyglutamic Acid Serum

Multi-Quench Plumping Hydration Serum

Water (aqua/eau)

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.

Dimethicone

Function: Emollient/Moisturizer, Skin protecting, Skin conditioning

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

Butylene glycol

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

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