Ultra Definer Refillable Brow Pencil

Byredo

Ultra Definer Refillable Brow Pencil

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About this product

The Byredo Ultra Definer Refillable Brow Pencil is a misc. Our analysis of its 14 ingredients (12 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
14
Low-risk
12
Fragrance
Fragrance-free
Origin
Sweden
Data updated
Jun 2026

The evidence

Quick Product Notes

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

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 5/3
Good for dry skin
Aluminum Hydroxide Trimethylolpropane Triisostearate Polyglyceryl-2 Triisostearate Hydrogenated Castor Oil Jojoba Esters
Caution for dry skin
Stearic Acid Polyglyceryl-2 Triisostearate Hydrogenated Castor Oil
Oily/Acne-Prone Skin No data
Sensitive Skin 2/1
Good for sensitive skin
Aluminum Hydroxide Jojoba Esters
Caution for sensitive skin
Stearic Acid

Ingredients list

14 total
Lower hazard (1) Higher hazard (2)
All14 Skin Conditioning6 Viscosity Controlling5 Emollient5 Colorant4 Cosmetic Colorant3 Emulsifying3 Viscosity Increasing Agent3 Fragrance2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Synthetic Fluorphlogopite
(Bulking Agent, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Hydrogenated Castor Oil
(Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Surfactant, Viscosity Controlling)
1
A
Rhus Succedanea Fruit Wax
(Binding, Viscosity Controlling)
1
Trimethylolpropane Triisostearate
(Emollient, Skin Conditioning)
1
Hydrogenated Castor Oil Isostearate
(Viscosity Increasing Agent, Skin Conditioning, Viscosity Controlling)
1
B
Polyglyceryl-2 Triisostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Jojoba Esters
(Emollient, Moisturising, Skin Conditioning, Soothing)
1
A
Aluminum Hydroxide
(Emollient, Humectant, Opacifying, Skin Protecting, Viscosity Controlling)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
2
CI 77499
(Colorant, Cosmetic Colorant)
1
CI 77492
(Colorant, Cosmetic Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)
CI 77891
(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

Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Anti-AgingSoftens lines and helps skin look youthful.
BrighteningRestores radiance to dull, tired skin.
Redness ReducingSoothes visible redness and calms irritation.
Dark SpotsFades dark spots for even skin tone.
Barrier RepairStrengthen and restore your skin's natural barrier.
Show all 6 benefits

Concerns

Not fungal acne (malassezia) safe

Ingredients explained

Synthetic Fluorphlogopite
Bulking agent, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentViscosity increasing agentViscosity controlling
Hydrogenated Castor Oil
Viscosity increasing agent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity increasing agentEmollientEmulsifyingSkin conditioningSurfactantViscosity controlling
Rhus Succedanea Fruit Wax
Binding, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A BindingViscosity controlling
Trimethylolpropane Triisostearate
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSkin conditioning
Hydrogenated Castor Oil Isostearate
Viscosity increasing agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity increasing agentSkin conditioningViscosity controlling
Polyglyceryl-2 Triisostearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifyingSurfactant
Jojoba Esters
Emollient, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMoisturisingSkin conditioningSoothing
Aluminum Hydroxide
Emollient, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHumectantOpacifyingSkin protectingViscosity controlling
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
CI 77499
Colorant, Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 2 ColorantCosmetic colorant
CI 77492
Colorant, Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 1 ColorantCosmetic colorant
CI 77491
Colorant, Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 1–2 ColorantCosmetic colorant
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Stearic Acid
Fragrance, Sufactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSufactantEmulsifyingSurfactantsurfactant-cleansing agent is included as a function for the soap form of stearic acid.Emulsion stabilisingMaskingRefatting Bad for Oily SkinFungal-acne trigger

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.

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