The INKEY List Polyglutamic Acid Hydrating Serum Versus Glow Recipe Watermelon Glow Niacinamide Dew Drops

The INKEY List Polyglutamic Acid Hydrating Serum Versus Glow Recipe Watermelon Glow Niacinamide Dew Drops

This hydrating serum is formulated around Polyglutamic Acid to hydrate skin and strengthen the skin barrier.

This brightening serum is formulated around Niacinamide and Citrullus Lanatus Fruit Extract to brighten dull-looking skin.

What's inside

Key Ingredients

No key ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Dimethicone

Butylene Glycol

Bis-PEG-12 Dimethicone

Glycerin

Polymethylsilsesquioxane

Polysilicone-11

Phenoxyethanol

Polyglutamic Acid

Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Isohexadecane

Propanediol

Coco-Glucoside

Sodium Benzoate

Hydroxyethylcellulose

Polysorbate 80

Ethylhexylglycerin

Potassium Sorbate

Decyl Glucoside

Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer

Sorbitan Oleate

Trisodium Ethylenediamine Disuccinate

Caprylyl Glycol

Hexylene Glycol

Oryza Sativa Bran Extract

Water, Dimethicone, Butylene Glycol, Bis-PEG-12 Dimethicone, Glycerin, Polymethylsilsesquioxane, Polysilicone-11, Phenoxyethanol, Polyglutamic Acid, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Propanediol, Coco-Glucoside, Sodium Benzoate, Hydroxyethylcellulose, Polysorbate 80, Ethylhexylglycerin, Potassium Sorbate, Decyl Glucoside, Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer, Sorbitan Oleate, Trisodium Ethylenediamine Disuccinate, Caprylyl Glycol, Hexylene Glycol, Oryza Sativa Bran Extract

Glycereth-26

Niacinamide

2,3-Butanediol

1,2-Hexanediol

Cetyl Ethylhexanoate

Citrullus Lanatus Fruit Extract

Sodium Hyaluronate

Eclipta Prostrata Extract

Melia Azadirachta Leaf Extract

Polyglyceryl-3 Methylglucose Distearate

Tromethamine

Glyceryl Stearate

Carbomer

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Xanthan Gum

Polyquaternium-51

Moringa Oleifera Seed Oil

Parfum

Benzyl Benzoate

Water, Propanediol, Glycereth-26, Glycerin, Niacinamide, 2,3-Butanediol, 1,2-Hexanediol, Cetyl Ethylhexanoate, Citrullus Lanatus Fruit Extract, Sodium Hyaluronate, Eclipta Prostrata Extract, Melia Azadirachta Leaf Extract, Polyglyceryl-3 Methylglucose Distearate, Tromethamine, Glyceryl Stearate, Carbomer, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ethylhexylglycerin, Xanthan Gum, Polyquaternium-51, Moringa Oleifera Seed Oil, Parfum, Benzyl Benzoate

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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

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