Guerlain SOS Serum, for Sensitive and Intolerant Skins
The Guerlain SOS Serum, for Sensitive and Intolerant Skins is a serums, essence, ampoule. Our analysis of its 36 ingredients (24 low-risk) rates it Excellent (88/100). Based on its ingredients, it looks well-suited to dry skin.
The Guerlain SOS Serum, for Sensitive and Intolerant Skins is a serums, essence, ampoule. Our analysis of its 36 ingredients (24 low-risk) rates it Excellent (88/100). Based on its ingredients, it looks well-suited to dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
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Glycereth-26
(Humectant, Viscosity Decreasing Agent, Solvent, Viscosity Controlling) |
|
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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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Cetearyl Isononanoate
(Hair Conditioning, Skin Conditioning, Emollient) |
|
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Isostearyl Neopentanoate
(Binding Agent, Skin Conditioning, Emollient, Binding) |
Bad for Sensitive Skin
Bad for Oily Skin
|
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PEG-75
(Binding Agent, Humectant, Solvent) |
|
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Steareth-21
(Sufactant, Emulsifying, Surfactant) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
|
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Methylparaben
(Fragrance, Preservative) |
Paraben
|
|
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Stearyl Glycyrrhetinate
(Flavoring Agent, Skin Conditioning, Soothing) |
|
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Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
|
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Tocopheryl Linoleate
(Antioxidant, Skin Conditioning, Skin Protecting) |
|
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Polyperfluoromethylisopropyl Ether
(Skin Conditioning) |
|
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Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking) |
|
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Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling) |
|
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
|
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
|
|
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
|
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Tetrasodium EDTA
(Chelating Agent) |
|
|
|
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Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling) |
Good for Dry Skin
|
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Chlorhexidine Digluconate
(Cosmetic Biocide, Oral Care Agent, Preservative, Antimicrobial) |
|
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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Biosaccharide Gum-1
(Skin Conditioning) |
|
|
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Ethylparaben
(Fragrance, Preservative) |
Paraben
|
|
|
|
Butylparaben
(Fragrance, Preservative, Masking) |
Paraben
|
|
|
|
Aloe Barbadensis Leaf
(Masking) |
Good for Sensitive Skin
|
|
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Propylparaben
(Fragrance, Preservative, Perfuming) |
Paraben
|
|
|
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Caprylic/Capric/Succinic Triglyceride
(Emollient, Emulsifying, Skin Conditioning) |
|
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PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming) |
Fungal Acne Trigger
|
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Crataegus Monogina Leaf Extract | |
|
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Hydrolyzed Linseed Extract
(Skin Conditioning, Sunscreen Agent) |
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Artemisia Capillaris Extract
(Skin Conditioning) |
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Lilium Candidum Flower Water
(Skin Conditioning) |
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Skeletonema Costatum Extract
(Skin Conditioning) |
|
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Yeast Extract
(Skin Conditioning) |
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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 →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
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