Bifida Barrier Toner

CU Skin

Where to buy Possibly in stock

About this product

The CU Skin Bifida Barrier Toner is a toner. Our analysis of its 26 ingredients (23 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Toners
Ingredients
26
Low-risk
23
Fragrance
Fragrance-free
Origin
South Korea
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 8/2
Good for dry skin
Glyceryl Glucoside Lactobacillus/Punica Granatum Fruit Ferment Extract Betaine Acetyl Hexapeptide-8 Butylene Glycol Sodium Hyaluronate Glycerin Saccharomyces/Barley Seed Ferment Filtrate
Caution for dry skin
Glycerin Hydrogenated Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 2/4
Good for sensitive skin
Glycerin Triethyl Citrate
Caution for sensitive skin
Butylene Glycol Glycerin Triethyl Citrate Tromethamine

Ingredients list

26 total
Lower hazard (1) Higher hazard (2)
All26 Skin Conditioning25 Humectant10 Solvent6 Viscosity Controlling5 Fragrance4 Hair Conditioning4 Masking3 Deodorant2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Bifida Ferment Lysate
(Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
1,2-Hexanediol
(Solvent)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
Glyceryl Glucoside
(Humectant, Skin Conditioning)
1
Water
(Solvent)
1
A
Triethyl Citrate
(Fragrance, Plasticizer, Antioxidant, Deodorant, Masking, Solvent)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
Eclipta Prostrata Extract
(Skin Conditioning)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
Lactococcus Ferment Lysate
(Skin Conditioning)
1
Lactobacillus Ferment Lysate
(Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Saccharomyces/Barley Seed Ferment Filtrate
(Humectant)
1
Lactobacillus/Soybean Ferment Extract
(Skin Conditioning)
1
Lactobacillus/Punica Granatum Fruit Ferment Extract
(Hair Conditioning, Humectant, Skin Conditioning)
Lactobacillus/Pear Juice Ferment Filtrate
(Skin Conditioning)
1
A
Copper Tripeptide-1
(Skin Conditioning)
1
Alanine/Histidine/Lysine Polypeptide Copper HCl
(Skin Conditioning)
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Peptides
Supports skin hydration and improves firmness.
Ceramides
Locks in moisture and supports skin barrier.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Anti-AgingSoftens lines and helps skin look youthful.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Dark SpotsFades dark spots for even skin tone.
Show all 7 benefits

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Bifida Ferment Lysate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
Glyceryl Glucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Triethyl Citrate
Fragrance, Plasticizer
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragrancePlasticizerAntioxidantDeodorantMaskingSolvent
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Eclipta Prostrata Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Tromethamine
Fragrance, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A FragrancePh adjusterBuffering agentMasking
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Lactococcus Ferment Lysate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lactobacillus Ferment Lysate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Hydrogenated Lecithin
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Skin conditioningEmulsifyingSurfactantSuspending agent- nonsurfactant
+ 8 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Use right after cleansing, before serums.
  • 2 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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