Hydrating Under Eye Primer

Smashbox

Hydrating Under Eye Primer

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About this product

The Smashbox Hydrating Under Eye Primer is a misc. Our analysis of its 52 ingredients (46 low-risk) rates it Excellent (98/100). 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
52
Low-risk
46
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 21/7
Good for dry skin
Glycereth-26 Methyl Gluceth-20 Cetyl Esters Sucrose Sucrose Stearate Simethicone Acetyl Hexapeptide-8 Ascorbyl Tocopheryl Maleate Ethylhexyl Hydroxystearate Caprylic/Capric/Myristic/Stearic Triglyceride Caprylyl Glycol Butylene Glycol Sodium PCA Sodium Hyaluronate Glycerin Trehalose Polyquaternium-51 Dimethicone Urea PEG-8 Lecithin
Caution for dry skin
Sucrose Stearate Glycerin Hexylene Glycol Sodium Hydroxide Steareth-20 Silica Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 9/5
Good for sensitive skin
Hypnea Musciformis Extract Sucrose Aminopropyl Ascorbyl Phosphate Ascorbyl Tocopheryl Maleate Caprylic/Capric/Myristic/Stearic Triglyceride Glycerin Hesperidin Methyl Chalcone Gelidiella Acerosa Extract Dimethicone
Caution for sensitive skin
Caffeine Butylene Glycol Glycerin Hexylene Glycol Phenoxyethanol

Ingredients list

52 total
Lower hazard (1) Higher hazard (6)
All52 Skin Conditioning41 Humectant16 Emollient9 Viscosity Controlling8 Film Forming8 Solvent6 Skin Protecting6 Fragrance5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Polyethylene
(Abrasive, Adhesive, Binding Agent, Bulking Agent, Emulsion Stabilising, Film Forming, Oral Care Agentagent, Viscosity Increasing Agent, Viscosity Controlling)
6
Polyperfluoromethylisopropyl Ether
(Skin Conditioning)
1
Caprylic/Capric/Myristic/Stearic Triglyceride
(Emollient, Skin Conditioning, Skin Protecting)
1
A
Methyl Gluceth-20
(Humectant, Moisturising)
1
Glycereth-26
(Humectant, Viscosity Decreasing Agent, Solvent, Viscosity Controlling)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
B
Cetyl Esters
(Skin Conditioning, Emollient)
1
B
Ethylhexyl Hydroxystearate
(Skin Conditioning, Emollient)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Hypnea Musciformis Extract
(Skin Protecting)
1
Gelidiella Acerosa Extract
(Skin Protecting)
Faex Extract
(Skin Conditioning)
Chamomilla Recutita Extract
(Skin Conditioning)
1
Ginkgo Biloba Leaf Extract
(Skin Conditioning)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
A
Polybutene
(Binding Agent, Epilating Agent, Viscosity Increasing Agent)
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
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Phytosphingosine
(Hair Conditioning, Skin Conditioning)
1
Aminopropyl Ascorbyl Phosphate
(Antioxidant, Skin Conditioning)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
Dipeptide-2
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)
1
Palmitoyl Oligopeptide
(Skin Conditioning, Sufactant)
1
A
Sucrose
(Flavoring Agent, Humectant, Skin Conditioning, Soothing)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
1
A
Polymethyl Methacrylate
(Film Forming)
1
Glyceryl Polymethacrylate
(Film Forming, Viscosity Controlling)
1
Simethicone
(Antifoaming Agent, Emollient, Hair Conditioning, Skin Conditioning)
3
A
PEG-8
(Humectant, Solvent)
1
Polyquaternium-51
(Film Forming, Humectant, Skin Conditioning)
3
B
Steareth-20
(Sufactant, Emulsifying, Surfactant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
1
Sucrose Stearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Hesperidin Methyl Chalcone
(Antioxidant)
1
A
Ascorbyl Tocopheryl Maleate
(Antioxidant, Skin Conditioning, Emollient)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
2
Mica
(Cosmetic Colorant, Opacifying)
CI 77891
(Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)
1
CI 77492
(Colorant, Cosmetic Colorant)
2
CI 77499
(Colorant, Cosmetic Colorant)

My Ingredient Notes

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Key ingredients

Butylene Glycol
Skin Conditioning, Humectant
Polyperfluoromethylisopropyl Ether
Skin Conditioning
Caprylic/Capric/Myristic/Stearic Triglyceride
Emollient, Skin Conditioning
Methyl Gluceth-20
Humectant, Moisturising
Glycereth-26
Humectant
Butyrospermum Parkii Butter
Skin Conditioning

Benefits

Good for dry skin
Good for sensitive skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Polyethylene
Abrasive, Adhesive
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbrasiveAdhesiveBinding agentBulking agentEmulsion stabilisingFilm formingOral care agentagentViscosity increasing agentViscosity controlling
Caprylic/Capric/Myristic/Stearic Triglyceride
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSkin conditioningSkin protecting
Methyl Gluceth-20
Humectant, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantMoisturising
Glycereth-26
Humectant, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantViscosity decreasing agentSolventViscosity controlling
Butyrospermum Parkii Butter
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Cetyl Esters
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Ethylhexyl Hydroxystearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Lecithin
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Skin conditioningEmulsifyingSurfactantAntistatic agentEmollient
Hypnea Musciformis Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Gelidiella Acerosa Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Faex Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Chamomilla Recutita Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ginkgo Biloba Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Caffeine
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMasking
+ 30 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Polyperfluoromethylisopropyl Ether
Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 6 Skin conditioning
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant 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
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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.

Aminopropyl Ascorbyl Phosphate, Ascorbyl Tocopheryl Maleate

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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