Skin Oxygen Night

Biotherm

Where to buy Possibly in stock

About this product

The Biotherm Skin Oxygen Night is a moisturizer. Our analysis of its 41 ingredients (32 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.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Moisturizers
Ingredients
41
Low-risk
32
Fragrance
Contains fragrance
Origin
France
Data updated
Jun 2026

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 9/4
Good for dry skin
Dimethiconol Squalane Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Propylene Glycol Hydroxyethyl Urea Dimethicone
Caution for dry skin
Dextrin Calcium Chloride Glycerin Triethanolamine
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Calcium Chloride
Sensitive Skin 3/14
Good for sensitive skin
Spirulina Platensis Extract Glycerin Dimethicone
Caution for sensitive skin
Sodium Citrate Sodium Chloride Agar Algin Caramel Butylene Glycol Glycerin Propylene Glycol Citric Acid Phenoxyethanol Linalool Triethanolamine Citral Geraniol

Ingredients list

41 total
Lower hazard (1) Higher hazard (7)
All41 Skin Conditioning16 Fragrance14 Masking11 Viscosity Controlling11 Film Forming8 Humectant8 Viscosity Increasing Agent8 Emulsion Stabilising6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
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
1
Hydroxyethyl Urea
(Hair Conditioning, Humectant, Skin Conditioning)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
5
B
Triethanolamine
(Fragrance, Ph Adjuster, Emulsifying, Surfactant, Buffering Agent, Masking)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Hydroxyethylpiperazine Ethane Sulfonic Acid
(Buffering Agent)
1
Calcium Chloride
(Cosmetic Astringent, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising)
Silicone
Silicone
1
A
Sodium Carrageenan
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Antistatic Agent, Binding, Viscosity Controlling)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
B
Sodium Phosphate
(Buffering Agent)
1
A
Algin
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Oily Skin
Bad for Oily Skin
Maris Sal
(Skin Conditioning)
1
A
Cellulose Acetate Butyrate
(Film Forming)
1
Chlorella Vulgaris Extract
(Skin Conditioning)
1
Ammonium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Agar
(Binding Agent, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
1
Spirulina Platensis Extract
(Skin Protecting)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
Vitreoscilla Ferment
(Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
Dextrin
(Absorbent, Binding Agent, Bulking Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
1
Polyphosphorylcholine Glycol Acrylate
(Film Forming)
1
A
Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
Chlorophene
(Antimicrobial, Preservative)
1
Caramel
(Colorant, Fragrance, Cosmetic Colorant, Masking)
3
CI 19140
(Colorant, Cosmetic Colorant)
2
CI 42090
(Colorant, Cosmetic Colorant)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Vitamin E
Protects skin and soothes irritation.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Dark SpotsFades dark spots for even skin tone.
Show all 7 benefits

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Geraniol — higher EWG
Citral — higher EWG
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
Hydroxyethyl Urea
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Hydroxyethylpiperazine Ethane Sulfonic Acid
Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 Buffering agent
Calcium Chloride
Cosmetic astringent, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringentViscosity increasing agentViscosity controlling
Sodium Carrageenan
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentAntistatic agentBindingViscosity controlling
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
Sodium Phosphate
Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Buffering agent
Maris Sal
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Cellulose Acetate Butyrate
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Film forming
Chlorella Vulgaris Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Ammonium Polyacryloyldimethyl Taurate
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity increasing agentViscosity controlling
Agar
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling
+ 13 more — see the full ingredients list above
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
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
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Triethanolamine
Fragrance, Ph adjuster
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR B FragrancePh adjusterEmulsifyingSurfactantBuffering agentMasking
Dimethiconol
Antifoaming agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentSkin conditioningEmollientMoisturising Silicone
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Algin
Binding agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFragranceViscosity increasing agentBindingMaskingViscosity controlling Bad for Sensitive SkinBad for Oily Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens

How to use

How to use

  • 1 Where it fits: Apply near the end of your routine, after thinner serums.
  • 2 Morning & evening: Suitable for both AM and PM use.

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

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