Flash Spot Concealer

Two Slash Four

Where to buy Possibly in stock

About this product

The Two Slash Four Flash Spot Concealer is a misc. Our analysis of its 42 ingredients (35 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
42
Low-risk
35
Fragrance
Contains fragrance
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 13/8
Good for dry skin
Glyceryl Caprylate Diisostearyl Malate Angelica Keiskei Extract Aluminum Hydroxide Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Trimethylsiloxysilicate Triethylhexanoin Hydrolyzed Collagen Hyaluronic Acid Dimethicone
Caution for dry skin
Glyceryl Caprylate Diisostearyl Malate Lauryl Dimethicone/Polyglycerin-3 Crosspolymer Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone Angelica Keiskei Extract Glycerin Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone Silica
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Angelica Keiskei Extract
Sensitive Skin 4/5
Good for sensitive skin
Angelica Keiskei Extract Aluminum Hydroxide Glycerin Dimethicone
Caution for sensitive skin
Dipropylene Glycol Sodium Citrate Butylene Glycol Glycerin Triethylhexanoin

Ingredients list

42 total
Lower hazard (1) Higher hazard (3)
All42 Skin Conditioning33 Viscosity Controlling10 Hair Conditioning10 Solvent9 Emollient9 Humectant8 Fragrance7 Skin Protecting5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
CI 77891
(Colorant)
1
A
Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, Skin Conditioning)
Silicone
Silicone
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
Methyl Trimethicone
(Hair Conditioning, Skin Conditioning, 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
Trimethylsiloxysilicate
(Antifoaming Agent, Emollient, Skin Conditioning)
1
A
Diisostearyl Malate
(Skin Conditioning, Emollient, Surfactant)
1
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying, Surfactant, Viscosity Increasing Agent)
2
Mica
(Cosmetic Colorant, Opacifying)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
(Viscosity Controlling)
1
A
Triethylhexanoin
(Fragrance, Hair Conditioning, Antistatic Agent, Emollient, Masking, Refatting, Skin Conditioning, Solvent)
1
A
Disteardimonium Hectorite
(Stabilising, Viscosity Controlling)
1
Angelica Keiskei Extract
(Antioxidant, Astringent, Emollient, Skin Conditioning, Skin Protecting)
Corchorus Olitorius Leaf Extract
(Skin Conditioning)
Dioscorea Japonica Root Extract
(Skin Conditioning)
1
Hibiscus Esculentus Fruit Extract
(Skin Conditioning)
Nelumbo Nucifera Root Extract
(Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
A
Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant)
1
A
Magnesium Sulfate
(Bulking Agent, Hair Conditioning, Viscosity Controlling)
1
A
Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Aluminum Hydroxide
(Emollient, Humectant, Opacifying, Skin Protecting, Viscosity Controlling)
1
Triethoxycaprylylsilane
(Binding Agent, Binding)
1
A
Lauryl Dimethicone/Polyglycerin-3 Crosspolymer
(Skin Conditioning, Sufactant, Surfactant Emulsifying Agent, Surfactant, Viscosity Increasing Agent, Hair Conditioning, Viscosity Controlling)
1
A
Propylene Carbonate
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling)
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
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)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
PARFUM
(Fragrance, Perfuming)
1
CI 77492
(Colorant, Cosmetic Colorant)
2
CI 77499
(Colorant, Cosmetic Colorant)

My Ingredient Notes

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Key ingredients

Phenyl Trimethicone
Skin Conditioning
Dimethicone
Skin Protecting, Emollient
Methyl Trimethicone
Skin Conditioning
Glycerin
Humectant, Skin Protecting
Trimethylsiloxysilicate
Emollient, Skin Conditioning
Diisostearyl Malate
Skin Conditioning, Emollient

Benefits

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

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Methyl Trimethicone
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningSolvent
Trimethylsiloxysilicate
Antifoaming agent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antifoaming agentEmollientSkin conditioning
Diisostearyl Malate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientSurfactant
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningSurfactant - cleansingagentEmulsifyingSurfactantViscosity increasing agent
Mica
Cosmetic colorant, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 2 Cosmetic colorantOpacifying
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Triethylhexanoin
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningAntistatic agentEmollientMaskingRefattingSkin conditioningSolvent
Disteardimonium Hectorite
Stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A StabilisingViscosity controlling
Angelica Keiskei Extract
Antioxidant, Astringent
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantAstringentEmollientSkin conditioningSkin protecting
Corchorus Olitorius Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Dioscorea Japonica Root Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hibiscus Esculentus Fruit Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 22 more — see the full ingredients list above
Phenyl Trimethicone
Antifoaming agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentHair conditioningSkin conditioning Silicone
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin

How to use

How to use

  • 1 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

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.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

ASCORBIC 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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