COSRX Advanced Snail Peptide Eye Cream Versus RoC Retinol Correxion Line Smoothing Eye Cream

COSRX Advanced Snail Peptide Eye Cream Versus RoC Retinol Correxion Line Smoothing Eye Cream

This anti-aging eye moisturizer is formulated around Snail Secretion Filtrate and Niacinamide to soften the look of wrinkles and hydrate skin.

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

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Snail Secretion Filtrate

Butylene Glycol

Glycerin

Helianthus Annuus Seed Oil

1,2-Hexanediol

Niacinamide

Water

Palmitic Acid

Arginine

Carbomer

Stearic Acid

Betaine

Cetearyl Olivate

Sorbitan Olivate

Sodium Polyacrylate

Allantoin

Tocopheryl Acetate

Panthenol

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Sodium Hyaluronate

Adenosine

Xanthan Gum

Myristic Acid

Copper Tripeptide-1

Acetyl Hexapeptide-8

Palmitoyl Pentapeptide-4

Palmitoyl Tripeptide-1

Palmitoyl Tetrapeptide-7

Snail Secretion Filtrate, Butylene Glycol, Glycerin, Helianthus Annuus Seed Oil, 1,2-Hexanediol, Niacinamide, Water, Palmitic Acid, Arginine, Carbomer, Stearic Acid, Betaine, Cetearyl Olivate, Sorbitan Olivate, Sodium Polyacrylate, Allantoin, Tocopheryl Acetate, Panthenol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium Hyaluronate, Adenosine, Xanthan Gum, Myristic Acid, Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7

Lactose

C12-15 Alkyl Benzoate

Cetearyl Ethylhexanoate

Glyceryl Stearate

PEG-100 Stearate

PEG-8

Retinol

Dihydroxy Methylchromone

Magnesium Aspartate

Zinc Gluconate

Copper Gluconate

Ascorbic Acid

Sorbitol

Stearyl Alcohol

Isopropyl Myristate

Propyl Gallate

Tromethamine

Polysorbate 20

Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer

Chlorhexidine Digluconate

Phenoxyethanol

Ethylhexylglycerin

Disodium EDTA

BHT

Citric Acid

Water, Glycerin, Lactose, C12-15 Alkyl Benzoate, Cetearyl Ethylhexanoate, Glyceryl Stearate, PEG-100 Stearate, PEG-8, Retinol, Dihydroxy Methylchromone, Magnesium Aspartate, Zinc Gluconate, Copper Gluconate, Panthenol, Tocopheryl Acetate, Ascorbic Acid, Sorbitol, Stearyl Alcohol, Isopropyl Myristate, Propyl Gallate, Tromethamine, Carbomer, Polysorbate 20, Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer, Chlorhexidine Digluconate, Phenoxyethanol, Ethylhexylglycerin, Disodium EDTA, BHT, Citric Acid

Reviews

Alternatives

Ingredients Explained

These ingredients are found in both products.

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

Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.

Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.

It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.

Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.

A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.

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.

Panthenol is a common ingredient that helps hydrate and soothe the skin. It is found naturally in our skin and hair.

There are two forms of panthenol: D and L.

D-panthenol is also known as dexpanthenol. Most cosmetics use dexpanthenol or a mixture of D and L-panthenol.

Panthenol is famous due to its ability to go deeper into the skin's layers. Using this ingredient has numerous pros (and no cons):

Like hyaluronic acid, panthenol is a humectant. Humectants are able to bind and hold large amounts of water to keep skin hydrated.

This ingredient works well for wound healing. It works by increasing tissue in the wound and helps close open wounds.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

This ingredient is also referred to as pro-vitamin B5.

Tocopheryl Acetate is a stable, shelf-friendly form of vitamin E.

Formulators love it because plain vitamin E oxidizes quickly once it hits air. This acetate version stays stable and resists going off, helping to extend a product's shelf life.

It's actually inactive on its own and works like a slow-release "storage" form; the enzymes in your skin called esterases gradually convert it into active vitamin E over time.

One in vivo study showed 5% of the acetate in the living layer of the epidermis converted to vitamin E after 5 days of application. This study also found the skin gained protection against UV damage even though the conversion was slow and small.

Once converted, vitamin E acts as a skin's main fat-soluble antioxidant that fights free radicals to protect skin from damage.

Topical vitamin E generally boosts the skin's photoprotection, and it reduced UV-damage in animal models.

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.

Overall, it has a pretty solid safety profile and has been found to be non-irritating and non-comedogenic. Allergic reactions may happen but stay rare due to how widely the ingredient gets used.

The concentration will vary depending on the formula; industry data shows 0.1% in baby lotions, 3% in lipsticks, and 5% in foot powders. You can also find this ingredient at 100% in a pure vitamin E oil.

Most leave-on skincare keeps it at the lower end, often between 0.5-1%.

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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