Aquasource Deep Serum
The Biotherm Aquasource Deep Serum is a serums, essence, ampoule. Our analysis of its 32 ingredients (22 low-risk) rates it Excellent (85/100). 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 Biotherm Aquasource Deep Serum is a serums, essence, ampoule. Our analysis of its 32 ingredients (22 low-risk) rates it Excellent (85/100). 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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Water
(Solvent) |
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Bis-PEG-18 Methyl Ether Dimethyl Silane
(Humectant, Foam Boosting, Hydrotrope, Emollient, Hair Conditioning, Skin Conditioning) |
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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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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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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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PEG-20
(Humectant, Solvent) |
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Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
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Mannose
(Humectant) |
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Methyl Gluceth-20
(Humectant, Moisturising) |
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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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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Ammonium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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Vitreoscilla Ferment
(Skin Conditioning) |
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Benzyl Salicylate
(Fragrance, Uv Absorber, Masking) |
Allergens
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t-Butyl Alcohol
(Denaturant, Fragrance, Solvent, Perfuming) |
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BHT
(Antioxidant, Fragrance, Masking) |
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
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Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
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Tin Oxide
(Abrasive, Bulking Agent, Opacifying, Viscosity Controlling) |
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PARFUM
(Fragrance, Perfuming) |
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CI 77891
(Colorant) |
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Mica
(Cosmetic Colorant, Opacifying) |
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CI 42090
(Colorant, Cosmetic Colorant) |
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CI 19140
(Colorant, Cosmetic Colorant) |
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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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