The INKEY List Retinol Eye Cream Versus Paula's Choice Resist Anti-Aging Eye Gel

The INKEY List Retinol Eye Cream Versus Paula's Choice Resist Anti-Aging Eye Gel

This anti-aging eye moisturizer is formulated around Retinol and Sodium Hyaluronate to soften the look of wrinkles and refine skin texture.

This anti-aging eye moisturizer is formulated around Palmitoyl Tripeptide-38 and Palmitoyl Tripeptide-5 to soften the look of wrinkles and refine skin texture.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Caprylic/Capric Triglyceride

Glycerin

Butylene Glycol

Pentaerythrityl Distearate

Shea Butter Ethyl Esters

Cetearyl Olivate

Phenoxyethanol

Benzyl Alcohol

Sorbitan Olivate

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Sodium Hydroxide

Sodium Hyaluronate

Sodium Stearoyl Glutamate

Copernicia Cerifera Cera

Propanediol

Glycogen

Sodium Gluconate

Retinol

Polysorbate 20

Ethylhexylglycerin

Dehydroacetic Acid

Citric Acid

Helianthus Annuus Seed Oil

1,2-Hexanediol

Caprylyl Glycol

Disodium Cocoamphodiacetate

Tocopherol

Xanthan Gum

Ethyl Ferulate

Humulus Lupulus Extract

Water, Caprylic/Capric Triglyceride, Glycerin, Butylene Glycol, Pentaerythrityl Distearate, Shea Butter Ethyl Esters, Cetearyl Olivate, Phenoxyethanol, Benzyl Alcohol, Sorbitan Olivate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hydroxide, Sodium Hyaluronate, Sodium Stearoyl Glutamate, Copernicia Cerifera Cera, Propanediol, Glycogen, Sodium Gluconate, Retinol, Polysorbate 20, Ethylhexylglycerin, Dehydroacetic Acid, Citric Acid, Helianthus Annuus Seed Oil, 1,2-Hexanediol, Caprylyl Glycol, Disodium Cocoamphodiacetate, Tocopherol, Xanthan Gum, Ethyl Ferulate, Humulus Lupulus Extract

Cyclopentasiloxane

Pentylene Glycol

Tapioca Starch

Methyl Gluceth-20 Benzoate

Dimethicone

Cyclohexasiloxane

Polysilicone-11

Palmitoyl Tripeptide-38

Caprooyl Tetrapeptide-3

Palmitoyl Tripeptide-5

Niacinamide

Phospholipids

Hyaluronic Acid

Vitis Vinifera Seed Extract

Panthenol

Salix Alba Extract

Camellia Sinensis Leaf Extract

Adenosine

Glycyrrhiza Glabra Root Extract

Pisum Sativum Extract

Polyacrylate Crosspolymer-6

Dunaliella Salina Extract

Hydroxypropyl Cyclodextrin

Dextran

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Disodium EDTA

Water, Cyclopentasiloxane, Butylene Glycol, Pentylene Glycol, Tapioca Starch, Methyl Gluceth-20 Benzoate, Glycerin, Dimethicone, Cyclohexasiloxane, Polysilicone-11, Palmitoyl Tripeptide-38, Caprooyl Tetrapeptide-3, Palmitoyl Tripeptide-5, Niacinamide, Phospholipids, Hyaluronic Acid, Sodium Hyaluronate, Vitis Vinifera Seed Extract, Panthenol, Salix Alba Extract, Camellia Sinensis Leaf Extract, Adenosine, Glycyrrhiza Glabra Root Extract, Pisum Sativum Extract, Polyacrylate Crosspolymer-6, Dunaliella Salina Extract, Hydroxypropyl Cyclodextrin, Dextran, Polysorbate 20, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Disodium EDTA, Phenoxyethanol

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Alternatives

Ingredients Explained

These ingredients are found in both products.

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

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

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.

Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).

It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.

On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.

Another perk of this ingredient is that it stays functional across a wide pH range (3-10).

You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.

Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.

Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.

Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.

Polysorbate 20 is a gentle, water-soluble emulsifier and mild surfactant. It stops oil and water from separating to keep your formulas blended and stable.

It also acts as a mild penetration enhancer by helping active ingredients absorb slightly better.

The common safety discussion around this ingredient involves a manufacturing byproduct called 1,4-dioxane.

Trace amounts can form during production but the EU's Scientific Committee on Consumer Safety has concluded that levels at/below 10 ppm in finished products are safe (commercial products consistently fall within acceptable margins).

True allergic reactions are uncommon and the CIR Expert Panel has confirmed this ingredient to be safe as used in cosmetics.

Because it is derived from lauric acid, it may not be fungal acne safe.

Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.

In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.

Interestingly, the size of the molecule affects its behavior:

Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.

Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.

You'll typically see concentrations between 0.1-2% for this ingredient.

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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