Jeju Island Peptide Barrier Serum
The Byrana Jeju Island Peptide Barrier Serum is a serums, essence, ampoule. Our analysis of its 58 ingredients (42 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
The Byrana Jeju Island Peptide Barrier Serum is a serums, essence, ampoule. Our analysis of its 58 ingredients (42 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
|
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Aloe Barbadensis Leaf Water
(Masking) |
Good for Sensitive Skin
|
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Palmitoyl Tripeptide-1
(Skin Conditioning) |
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Palmitoyl Tetrapeptide-7
(Skin Conditioning) |
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Acetyl Hexapeptide-8
(Humectant, Skin Conditioning) |
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Copper Tripeptide-1
(Skin Conditioning) |
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sh-Oligopeptide-1
(Skin Conditioning) |
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sh-Oligopeptide-2
(Skin Conditioning, Skin Protecting) |
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sh-Polypeptide-1
(Skin Conditioning) |
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sh-Polypeptide-9
(Skin Conditioning) |
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sh-Polypeptide-11
(Skin Conditioning) |
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Ceramide NP
(Hair Conditioning, Skin Conditioning) |
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Ceramide AP
(Hair Conditioning, Skin Conditioning) |
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Ceramide EOP
(Hair Conditioning, Skin Conditioning) |
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Undaria Pinnatifida Extract
(Skin Conditioning, Skin Protecting) |
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Chlorella Vulgaris Extract
(Skin Conditioning) |
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Morus Alba Root Extract
(Bleaching, Skin Conditioning) |
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Enteromorpha Compressa Extract
(Skin Protecting) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
|
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Allantoin
(Skin Conditioning, Skin Protecting, Soothing) |
Good for Oily Skin
Good for Sensitive Skin
|
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
|
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
|
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Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
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Hizikia Fusiforme Extract
(Skin Conditioning) |
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Ecklonia Cava Extract
(Skin Conditioning) |
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Laminaria Japonica Extract
(Fragrance, Skin Protecting) |
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Codium Fragile Extract
(Skin Conditioning) |
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Sargassum Fulvellum Extract
(Skin Conditioning) |
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Porphyra Yezoensis Extract
(Skin Conditioning) |
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Sargassum Muticum Extract
(Skin Protecting) |
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Euglena Gracilis Extract
(Skin Conditioning) |
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Chlorella Ferment
(Skin Conditioning) |
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Hydrolyzed Ulva Lactuca Extract
(Skin Conditioning) |
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Hydrolyzed Enteromorpha Compressa
(Skin Conditioning) |
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Sodium Phosphate
(Buffering Agent) |
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Salicornia Herbacea Extract
(Skin Conditioning) |
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Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning) |
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Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative) |
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Sorbitan Sesquioleate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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1,2-Hexanediol
(Solvent) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
|
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
|
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Polysorbate 60
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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Acetyl Glutamine
(Skin Conditioning) |
|
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
|
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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Bacillus/Folic Acid Ferment Filtrate Extract
(Antioxidant, Humectant, Skin Conditioning) |
|
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
|
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Ulva Lactuca Extract
(Skin Conditioning, Skin Protecting) |
|
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Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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