3INA The Cool Eyes Cream Versus Beauty Bay 4.8% Caffeine + Peptide Eye Treatment

3INA The Cool Eyes Cream Versus Beauty Bay 4.8% Caffeine + Peptide Eye Treatment

This calming eye moisturizer is formulated around Caffeine to calm redness and soften the look of wrinkles.

This anti-aging eye moisturizer is formulated around Caffeine and Ferulic Acid to soften the look of wrinkles and brighten dull-looking skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Caffeine

Maltodextrin

Caprylic/Capric Triglyceride

Glycerin

Dimethicone

Glyceryl Stearate

Sucrose Polystearate

Hydrogenated Vegetable Glycerides

Pentaerythrityl Distearate

Xanthan Gum

Caprylyl Glycol

CI 77891

Hydroxyethylcellulose

Mica

Glyceryl Dibehenate

Hydroxyacetophenone

1,2-Hexanediol

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Tribehenin

Tocopherol

Sodium Hydroxide

Glyceryl Behenate

Sodium Hyaluronate

Tetrasodium Glutamate Diacetate

Maris Aqua

Water, Caffeine, Maltodextrin, Caprylic/Capric Triglyceride, Glycerin, Dimethicone, Glyceryl Stearate, Sucrose Polystearate, Hydrogenated Vegetable Glycerides, Pentaerythrityl Distearate, Xanthan Gum, Caprylyl Glycol, CI 77891, Hydroxyethylcellulose, Mica, Glyceryl Dibehenate, Hydroxyacetophenone, 1,2-Hexanediol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tribehenin, Tocopherol, Sodium Hydroxide, Glyceryl Behenate, Sodium Hyaluronate, Tetrasodium Glutamate Diacetate, Maris Aqua

Propanediol

Caffeine 4.8%

C12-15 Alkyl Benzoate

Coco-Caprylate/Caprate

Beheneth-25

Isosorbide Dicaprylate

Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Isohexadecane

Butyrospermum Parkii Butter

Citronellyl Methylcrotonate

Phenoxyethanol

Ferulic Acid

Polysorbate 80

Tocopheryl Acetate

Disodium EDTA

Ethylhexylglycerin

Acetyl Hexapeptide-8

Water, Propanediol, Caffeine 4.8%, C12-15 Alkyl Benzoate, Maltodextrin, Coco-Caprylate/Caprate, Beheneth-25, Glyceryl Stearate, Isosorbide Dicaprylate, Tribehenin, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Butyrospermum Parkii Butter, Citronellyl Methylcrotonate, Phenoxyethanol, Ferulic Acid, Xanthan Gum, Hydroxyethylcellulose, Polysorbate 80, Tocopheryl Acetate, Glycerin, Disodium EDTA, Ethylhexylglycerin, Caprylyl Glycol, Acetyl Hexapeptide-8, Tocopherol

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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.

Caffeine is a naturally occurring plant compound found in coffee beans, tea leaves, cocoa pods, and guarana.

As an antioxidant, caffeine protects your skin from free radical damage caused by UV exposure and envionrmnetal stressors.

Early research also shows that caffeine can help calm redness, soothe irritated skin, and support hair growth by stimulating microcirculation in the scalp.

You might have seen eye creams marketing caffeine as a depuffing ingredient. This is because it is a vasoconstrictor meaning it can temporarily constrict blood vessels, though clinical evidence for this specific use is still limited.

Most skincare products contain this ingredient at concentrations between 1-6%. It is able to penetrate skin easily regardless of skin type or thickness.

Just so you know, a very small number of case reports describe caffeine-induced allergy. This ingredient is generally well-tolerated, non-irritating, and non-sensitizing for the majority of people.

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

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.

Glyceryl Stearate is made by reacting glycerin with stearic acid (typically sourced from plant oils like palm or coconut). It's an emulsifier, emollient, and mild occlusive.

Emulsifiers help ingredients like oil and water stay mixed so your formula stays nicely blended and uniform in texture.

This ingredient is typically used in concentrations between 1-10%. Studies have found it to be non-sensitizing, non-phototoxic, and non-photoallergenic.

A close cousin of this ingredient is Glyceryl Stearate SE ("self-emulsifying"). This just has a small amount of sodium or potassium stearate added so it can emulsify without a co-emulsifier.

Since this ingredient is an ester of a C18 fatty acid, it may not be fungal acne safe. The Malassezia yeast can potentially metabolize within the C11-C24 range.

Fun fact: The human body also creates Glyceryl Stearate naturally.

Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.

This ingredient helps stabilize products by preventing ingredients from separating. It can also help thicken the texture of a product.

This ingredient can also be found in pill medicines to help our bodies digest other ingredients.

Maltodextrin is a plant-derived carbohydrate made by breaking down starch (usually from corn, potato, or rice). In cosmetic formulas, it's a multitasking absorbent, emulsion stabilizer, and skin conditioner.

This ingredient is mostly used to stabilize emulsions and improve the powdery, non-greasy feel of products (like dry shampoos).

Safety-wise, this ingredient is pretty solid; it's even recognized as a food additive. Both animal and clinical studies found no adverse effects at the levels used in cosmetics.

Industry data shows this ingredient is used up to 45.7% in spray products and up to 33% in powder products.

Tocopherol is a fat-soluble antioxidant known as Vitamin E.

You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.

Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.

It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.

This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.

This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.

In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.

Concentrations usually range from 0.1-1% in most leave-on products.

Tribehenin is the triglyceride of glycerin and behenic acid. It is an emollient that helps soften and condition skin.

Safety-wise, this is a well-vetted ingredient. Repeated-insult patch tests of 0.38% tribehenin did not trigger sensitization.

This ingredient may not be fungal acne safe because behenic acid falls into the chain-length range that Malassezia yeasts can feed on.

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!

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

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