Professional Heat Shield

Four Reasons

Where to buy Possibly in stock

About this product

The Four Reasons Professional Heat Shield is a misc. Our analysis of its 24 ingredients (10 low-risk) rates it Good (64/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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
Misc
Ingredients
24
Low-risk
10
Fragrance
Contains fragrance
Origin
Finland

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 1/5
Good for dry skin
Propylene Glycol
Caution for dry skin
Ceteareth-20 PEG-40 Hydrogenated Castor Oil Alcohol Denat. Triethanolamine Laureth-4
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 0/15
Caution for sensitive skin
Propylene Glycol PEG-40 Hydrogenated Castor Oil Alcohol Denat. Phenoxyethanol Linalool Citronellol Alpha-Isomethyl Ionone Triethanolamine Limonene Benzyl Salicylate Butane Butylphenyl Methylpropional Isobutane Geraniol Laureth-4

Ingredients list

24 total
Lower hazard (1) Higher hazard (7)
All24 Fragrance9 Masking7 Perfuming5 Solvent4 Surfactant4 Emulsifying4 Skin Conditioning4 Deodorant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
7
A
Butane
(Propellant)
4
A
Propane
(Propellant)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Polyquaternium-68
(Film Forming, Hair Fixing)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
7
A
Isobutane
(Propellant)
1
A
Polyquaternium-11
(Antistatic Agent, Film Forming, Hair Fixing)
1
Cocotrimonium Methosulfate
(Antistatic Agent, Hair Conditioning)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
3
B
Ceteareth-20
(Cleansing, Emulsifying, Surfactant)
2
3
B
Laureth-4
(Antistatic Agent, Emulsifying, Masking, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
3
A
PEG-90M
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent)
5
B
Triethanolamine
(Fragrance, Ph Adjuster, Emulsifying, Surfactant, Buffering Agent, Masking)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
PARFUM
(Fragrance, Perfuming)
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens
7
Benzyl Salicylate
(Fragrance, Uv Absorber, Masking)
Allergens
Allergens
7
Butylphenyl Methylpropional
(Perfuming)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

Alcohol Denat.
Astringent
Propylene Glycol
Humectant, Skin Conditioning
Ethylhexylglycerin
Skin Conditioning
Alpha-Isomethyl Ionone
Skin Conditioning
Benzyl Salicylate
Uv Absorber

Benefits

HydratingBoosts hydration and relieves dry, tight skin.

Concerns

Contains paraben
Contains eu allergen
Not fungal acne (malassezia) safe
Butane — higher EWG
Isobutane — higher EWG
Benzyl Salicylate — higher EWG
May not suit dry skin
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
Propane
Propellant
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A Propellant
Polyquaternium-68
Film forming, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHair fixing
Polyquaternium-11
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentFilm formingHair fixing
Cocotrimonium Methosulfate
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentHair conditioning
Ceteareth-20
Cleansing, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant
PEG-90M
Binding agent, Emulsion stabilising
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Binding agentEmulsion stabilisingViscosity increasing agent
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Butane
Propellant
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Propellant
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Isobutane
Propellant
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Propellant
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming Fungal-acne trigger
Laureth-4
Antistatic agent, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 2–3 CIR B Antistatic agentEmulsifyingMaskingSurfactant Bad for Oily Skin
Triethanolamine
Fragrance, Ph adjuster
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR B FragrancePh adjusterEmulsifyingSurfactantBuffering agentMasking
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens
Benzyl Salicylate
Fragrance, Uv absorber
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceUv absorberMasking Allergens
Butylphenyl Methylpropional
Perfuming
Higher-hazard ingredient.Read moreShow less
EWG 7 Perfuming Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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