Ultra Brightening Kojic Acid Serum

SeoulCeuticals

Where to buy Possibly in stock

About this product

The SeoulCeuticals Ultra Brightening Kojic Acid Serum is a serums, essence, ampoule. Our analysis of its 31 ingredients (15 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
31
Low-risk
15
Fragrance
Fragrance-free
Origin
United States

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 2/4
Good for dry skin
Equisetum Arvense Extract Glycerin
Caution for dry skin
Melilotus Officinalis Extract Centella Asiatica Extract Equisetum Arvense Extract Glycerin
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Melilotus Officinalis Extract Equisetum Arvense Extract
Sensitive Skin 7/4
Good for sensitive skin
Melilotus Officinalis Extract Centella Asiatica Extract Equisetum Arvense Extract Alpha-Arbutin Glycerin Tocopheryl Acetate Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Melilotus Officinalis Extract Glycerin Sodium Benzoate Potassium Sorbate

Ingredients list

31 total
Lower hazard (1) Higher hazard (4)
All31 Skin Conditioning17 Soothing6 Astringent5 Fragrance5 Tonic4 Hair Conditioning4 Perfuming3 Skin Protecting3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
Hamamelis Virginiana Water
(Astringent, Hair Conditioning, Skin Conditioning, Soothing)
1
A
Cassia Angustifolia Seed Polysaccharide
(Skin Conditioning)
1
Alpha-Arbutin
(Antioxidant, Skin Conditioning)
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
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
ganoderma lucidum extract
(Skin Protecting)
1
Dimethyl Sulfone
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Arctostaphylos Uva Ursi Leaf Extract
(Skin Conditioning)
Curcuma Longa Root Extract
(Fragrance, Perfuming)
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
salix alba bark extract
(Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
Pimpinella Anisum Extract
(Not Reported)
Cochlearia Armoracia Root Extract
(Fragrance)
glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing)
Schisandra Chinensis Callus Extract
(Skin Protecting)
1
Melilotus Officinalis Extract
(Astringent, Masking, Soothing)
Foeniculum Vulgare Callus Culture Extract
(Skin Conditioning)
Panax Quinquefolius Root Extract
(Astringent)
Melissa Officinalis Seed Oil
(Skin Conditioning)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
B
Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic)
1
Equisetum Arvense Extract
(Astringent, Emollient, Soothing, Tonic)
1
Geranium Maculatum Extract
(Tonic)
Taraxacum Officinale Extract
(Skin Conditioning)
1
A
Hydroxyethyl Ethylcellulose
(Adhesive, Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Emulsifying, Viscosity Controlling)
Carrageenan
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
A
Potassium Sorbate
(Fragrance, Preservative)

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

Hamamelis Virginiana Water
Astringent, Skin Conditioning
Cassia Angustifolia Seed Polysaccharide
Skin Conditioning
Alpha-Arbutin
Antioxidant, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Aloe Barbadensis Leaf Juice
Skin Conditioning
ganoderma lucidum extract
Skin Protecting

Benefits

Good for oily/acne-prone skin
Good for sensitive skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Hamamelis Virginiana Water
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothing
Cassia Angustifolia Seed Polysaccharide
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Alpha-Arbutin
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
ganoderma lucidum extract
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Dimethyl Sulfone
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Arctostaphylos Uva Ursi Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Curcuma Longa Root Extract
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
salix alba bark extract
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothingTonic
Pimpinella Anisum Extract
Not reported
Limited public safety data.Read moreShow less
EWG N/A Not reported
Cochlearia Armoracia Root Extract
Fragrance
Limited public safety data.Read moreShow less
EWG N/A Fragrance
glycyrrhiza glabra root extract
Bleaching, Perfuming
Limited public safety data.Read moreShow less
EWG N/A BleachingPerfumingSkin conditioningSkin conditioning emollientSmoothingSoothing
Schisandra Chinensis Callus Extract
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Melilotus Officinalis Extract
Astringent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentMaskingSoothing
Foeniculum Vulgare Callus Culture Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 12 more — see the full ingredients list above
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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Glycolic Acid

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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