Princess Eye Patch

KOCOSTAR

Where to buy Possibly in stock

About this product

The KOCOSTAR Princess Eye Patch is a eye mask. Our analysis of its 39 ingredients (24 low-risk) rates it Excellent (98/100). 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
Eye Masks
Ingredients
39
Low-risk
24
Fragrance
Fragrance-free
Origin
South Korea

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 4/6
Good for dry skin
Ceratonia Siliqua Gum Butylene Glycol Sodium Hyaluronate Glycerin
Caution for dry skin
Dextrin Maltodextrin Xanthan Gum Glycerin PEG-60 Hydrogenated Castor Oil Calcium Lactate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Calcium Lactate
Sensitive Skin 6/6
Good for sensitive skin
Glycerin Tocopheryl Acetate Allantoin Aloe Barbadensis Leaf Juice Powder Pearl Extract Colloidal Platinum
Caution for sensitive skin
Caffeine Ceratonia Siliqua Gum Butylene Glycol Glycerin PEG-60 Hydrogenated Castor Oil Phenoxyethanol

Ingredients list

39 total
Lower hazard (1) Higher hazard (4)
All39 Skin Conditioning28 Fragrance8 Viscosity Controlling7 Emulsion Stabilising5 Binding4 Viscosity Increasing Agent4 Antimicrobial4 Humectant4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(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
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
Chondrus Crispus Powder
(Abrasive)
1
Ceratonia Siliqua Gum
(Binding, Emollient, Emulsion Stabilising, Film Forming, Masking, Viscosity Controlling)
1
A
Dextrin
(Absorbent, Binding Agent, Bulking Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
Potassium Chloride
(Viscosity Increasing Agent, Viscosity Controlling)
Bad for Oily Skin
Bad for Oily Skin
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
3
B
PEG-60 Hydrogenated Castor Oil
(Fragrance, Sufactant, Surfactant)
Fungal Acne
Fungal Acne Trigger
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Colloidal Platinum
(Antimicrobial, Antioxidant, Deodorant)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
Lavandula Angustifolia Extract
(Skin Conditioning)
Monarda Didyma Leaf Extract
(Skin Conditioning)
Mentha Piperita Leaf Extract
(Skin Conditioning)
1
Freesia Refracta Extract
(Skin Conditioning)
rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning)
Chamomilla Recutita Flower/Leaf Extract
(Antimicrobial)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Jania Rubens Extract
(Skin Conditioning)
Pearl Extract
(Antioxidant)
Hydrolyzed Coral
(Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
CI 77820
(Colorant)
1
A
Synthetic Fluorphlogopite
(Bulking Agent, Viscosity Increasing Agent, Viscosity Controlling)
CI 77891
(Colorant)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
4
B
Calcium Lactate
(Cosmetic Astringent, Exfoliant, Buffering Agent, Keratolytic)
Ricinus Communis Seed Oil
(Fragrance, Perfuming, Skin Conditioning)
1
Adenosine
(Skin Conditioning)
1
3
Aloe Barbadensis Leaf Juice Powder
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming)

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

Antioxidants
Shields skin from free radical damage.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Acne FightingFights acne and helps prevent breakouts.

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Chondrus Crispus Powder
Abrasive
Limited public safety data.Read moreShow less
EWG N/A Abrasive
Ceratonia Siliqua Gum
Binding, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 BindingEmollientEmulsion stabilisingFilm formingMaskingViscosity controlling
Dextrin
Absorbent, Binding agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentBinding agentBulking agentViscosity increasing agentBindingViscosity controlling
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Chlorphenesin
Cosmetic biocide, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Cosmetic biocideAntimicrobialPreservative
Colloidal Platinum
Antimicrobial, Antioxidant
Limited public safety data.Read moreShow less
EWG N/A AntimicrobialAntioxidantDeodorant
Caffeine
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMasking
Lavandula Angustifolia Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Monarda Didyma Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Mentha Piperita Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Freesia Refracta Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
rosmarinus officinalis leaf extract
Antimicrobial, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntimicrobialFragranceSkin conditioning
Chamomilla Recutita Flower/Leaf Extract
Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Antimicrobial
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
+ 15 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Potassium Chloride
Viscosity increasing agent, Viscosity controlling
Potentially comedogenic - can block poresRead moreShow less
EWG 1 Viscosity increasing agentViscosity controlling Bad for Oily Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
PEG-60 Hydrogenated Castor Oil
Fragrance, Sufactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceSufactantSurfactant Fungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Aloe Barbadensis Leaf Juice Powder
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Skin conditioning Good for Sensitive Skin

How to use

How to use

  • 1 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.

Trust & honesty

Effective levels — general guide

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

Niacinamide 2–5% (up to 10%)

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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