Skin science article
COSRX Advanced Snail Peptide Eye Cream Versus BYOMA Barrier Repair Eye Cream
COSRX Advanced Snail Peptide Eye Cream Versus BYOMA Barrier Repair 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 barrier-repair eye moisturizer is f
COSRX Advanced Snail Peptide Eye Cream Versus BYOMA Barrier Repair 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 barrier-repair eye moisturizer is formulated around Hyaluronic Acid and Copper Tripeptide-1 to strengthen the skin barrier and hydrate skin.
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
Caprylic/Capric Triglyceride
Phenyl Trimethicone
Cetyl Ethylhexanoate
Hyaluronic Acid
Hydrolyzed Hyaluronic Acid
Propanediol
Butyrospermum Parkii Butter
Sphingolipids
Ethylhexylglycerin
Ceramide NP
Dipropylene Glycol
Caprylic/Capric/Succinic Triglyceride
Vinyldimethicone
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Polyglyceryl-2 Stearate
Glyceryl Stearate
Stearyl Alcohol
Glycereth-26
Cetearyl Alcohol
Ectoin
Glycine
Theobroma Cacao Seed Extract
Thamnolia Vermicularis Leaf Extract
Coptis Japonica Root Extract
Hydroxyacetophenone
Ammonium Polyacryloyldimethyl Taurate
Dextrin
Tromethamine
Disodium EDTA
Water, Glycerin, Caprylic/Capric Triglyceride, Phenyl Trimethicone, Cetyl Ethylhexanoate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Propanediol, Copper Tripeptide-1, Butyrospermum Parkii Butter, Sphingolipids, Ethylhexylglycerin, Ceramide NP, Dipropylene Glycol, Butylene Glycol, Caprylic/Capric/Succinic Triglyceride, Vinyldimethicone, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Xanthan Gum, Polyglyceryl-2 Stearate, Glyceryl Stearate, Stearyl Alcohol, Glycereth-26, Cetearyl Alcohol, Ectoin, 1,2-Hexanediol, Glycine, Theobroma Cacao Seed Extract, Thamnolia Vermicularis Leaf Extract, Coptis Japonica Root Extract, Hydroxyacetophenone, Ammonium Polyacryloyldimethyl Taurate, Dextrin, Tromethamine, Disodium EDTA
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.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
Humectant, drawing moisture into the skin
Emollient, helping to soften skin
Solvent, dispersing and stabilizing formulas
Preservative booster, enhancing the antimicrobial activity of other preservatives
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.
Copper Tripeptide-1 (GHK-Cu) is a skin repairing ingredient known for its ability to boost collagen, improve firmness, and support skin regeneration.
It is a complex made up of a naturally occurring peptide (glycine-histidine-lysine) and copper, an essential trace element.
While studying wound healing, researchers noticed GHK-Cu stimulated hair follicle enlargement and growth by keeping hair in its active growth phase longer. This has made it a promising ingredient for hair regrowth treatments.
Some people have reported increased facial hair. While GHK-Cu can make your hair follicles bigger, it usually doesn’t turn soft, barely-visible facial hairs into thick, dark ones.
Anecdotal reports suggest that overusing copper peptides might lead to premature aging due to excess free copper or enzyme imbalances. This claim isn’t backed by large-scale studies.
Unfortunately, there are limited human studies for this ingredient. While early results are promising, many studies are either small, in-vitro, or not rigorously controlled.
For example, there is a 1998 study that explored the effects of copper tripeptide, vitamin C, tretinoin, and melatonin on skin repair and collagen synthesis.
After one month, increased procollagen production was seen in 7 out of 10 participants using copper tripeptide (more than those using vitamin C, melatonin, or tretinoin.
While the study was exploratory, it offers early evidence that copper tripeptide may support collagen production. Larger, well-designed trials are still needed to confirm its potential and understand individual responses.
Read more about other common types of peptides here:
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.
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!
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.