Heat Shield
The Four Reasons Heat Shield is a misc. Our analysis of its 16 ingredients (10 low-risk) rates it Excellent (92/100). 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.
The Four Reasons Heat Shield is a misc. Our analysis of its 16 ingredients (10 low-risk) rates it Excellent (92/100). 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.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Dimethyl Ether
(Propellant, Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
|
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Water
(Solvent) |
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Polyurethane-14
(Film Forming, Hair Conditioning) |
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Helianthus Annuus Seed Extract
(Skin Conditioning) |
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Prunus Persica Flower Extract
(Moisturising, Skin Conditioning) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
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Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone
(Hair Conditioning) |
|
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Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter) |
Bad for Oily Skin
Bad for Sensitive Skin
|
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AMP-Acrylates Copolymer
(Film Forming) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
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Triethyl Citrate
(Fragrance, Plasticizer, Antioxidant, Deodorant, Masking, Solvent) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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BHT
(Antioxidant, Fragrance, Masking) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
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PARFUM
(Fragrance, Perfuming) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
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