NARS Optimal Brightening Concentrate

NARS

Where to buy Possibly in stock

About this product

The NARS Optimal Brightening Concentrate is a serums, essence, ampoule. Our analysis of its 38 ingredients (30 low-risk) rates it Excellent (89/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
38
Low-risk
30
Fragrance
Contains fragrance
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 8/3
Good for dry skin
Algae Extract Butylene Glycol Glycerin Hydrogenated Polyisobutene Sea Water Dimethicone PEG-32 PEG-6
Caution for dry skin
Thymus Serpillum Extract Glycerin Alumina
Oily/Acne-Prone Skin No data
Sensitive Skin 3/14
Good for sensitive skin
Glycerin Hydrolyzed Viola Tricolor Extract Dimethicone
Caution for sensitive skin
Algae Extract Sodium Citrate Agar Thymus Serpillum Extract Butylene Glycol Glycerin Citric Acid Potassium Sorbate Phenoxyethanol Linalool Limonene Citral Geraniol Fragrance

Ingredients list

38 total
Lower hazard (1) Higher hazard (8)
All38 Skin Conditioning16 Fragrance10 Masking9 Humectant8 Solvent7 Viscosity Controlling6 Deodorant5 Opacifying4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
(Viscosity Controlling)
1
A
Hydrogenated Polyisobutene
(Skin Conditioning, Emollient, Viscosity Increasing Agent, Viscosity Controlling)
3
A
PEG-10 Dimethicone
(Hair Conditioning, Skin Conditioning)
3
A
PEG-32
(Binding Agent, Humectant, Solvent)
3
A
PEG-6
(Humectant, Solvent)
2-O-Ethyl Ascorbic Acid
(Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
8
Fragrance
(Deodorant, Masking, Perfuming)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling)
1
Hydrolyzed Viola Tricolor Extract
(Skin Protecting)
1
Sea Water
(Humectant, Solvent)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
1
A
Agar
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
1
Saccharomyces Cerevisiae Extract
(Skin Conditioning)
1
Polysilicone-2
(Antifoaming Agent, Hair Conditioning)
1
A
Trisodium EDTA
(Chelating Agent)
1
Algae Extract
(Fragrance, Humectant, Oral Care Agent, Skin Conditioning, Emollient)
2
B
Barium Sulfate
(Cosmetic Colorant, Opacifying)
Morinda Citrifolia Leaf Extract
(Skin Conditioning)
1
Thymus Serpillum Extract
(Cleansing, Deodorant, Masking, Tonic)
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
Tocopherol (Vitamin E) Good for Dry Skin
Good for Dry Skin
1
Plankton Extract
(Skin Conditioning)
2
A
Alumina
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
2
Mica
(Cosmetic Colorant, Opacifying)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
2
Iron Oxides
(Colorant, Cosmetic Colorant)

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

Dimethicone
Skin Protecting, Emollient
Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Hydrogenated Polyisobutene
Skin Conditioning, Emollient
PEG-10 Dimethicone
Skin Conditioning
PEG-32
Humectant

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Fragrance — higher EWG
Citral — higher EWG
Geraniol — higher EWG
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Hydrogenated Polyisobutene
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientViscosity increasing agentViscosity controlling
PEG-10 Dimethicone
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioning
PEG-32
Binding agent, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Binding agentHumectantSolvent
PEG-6
Humectant, Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A HumectantSolvent
2-O-Ethyl Ascorbic Acid
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Dimethicone/Vinyl Dimethicone Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Hydrolyzed Viola Tricolor Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Sea Water
Humectant, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSolvent
Potassium Hydroxide
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Ph adjusterBuffering agent
Agar
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling
Saccharomyces Cerevisiae Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 12 more — see the full ingredients list above
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Fragrance
Deodorant, Masking
Higher-hazard ingredient.Read moreShow less
EWG 8 DeodorantMaskingPerfuming
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Tocopherol (Vitamin E)
Other
Low-hazard ingredient.Read moreShow less
EWG 1 Good for Dry Skin
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 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.

2-O-Ethyl 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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