Hyaluronic Hydra-Foundation

By Terry

Hyaluronic Hydra-Foundation

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About this product

The By Terry Hyaluronic Hydra-Foundation is a misc. Our analysis of its 48 ingredients (34 low-risk) rates it Excellent (86/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
48
Low-risk
34
Fragrance
Contains fragrance
Origin
France
SPF
45 · blocks 97.8% UVB
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 14/10
Good for dry skin
Glyceryl Caprylate Diisostearyl Malate Silica Dimethyl Silylate Aluminum Hydroxide Isododecane Isohexadecane Caprylic/Capric Triglyceride Caprylyl Glycol Sodium Hyaluronate Glycerin Trimethylsiloxysilicate Palmitic Acid Polyglyceryl-4 Isostearate Dimethicone
Caution for dry skin
Glyceryl Caprylate Diisostearyl Malate Stearic Acid Silica Dimethyl Silylate Glycerin Palmitic Acid Polyglyceryl-4 Isostearate Cetyl PEG/PPG-10/1 Dimethicone Eugenol Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 5/16
Good for sensitive skin
Aluminum Hydroxide Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Dimethicone BHT
Caution for sensitive skin
Dipropylene Glycol Myristic Acid Stearic Acid Isododecane Caprylic/Capric Triglyceride Glycerin Palmitic Acid Linalool Alpha-Isomethyl Ionone Hexyl Cinnamal Limonene BHT Benzyl Salicylate Eugenol Geraniol Hydroxycitronellal

Ingredients list

48 total
Lower hazard (1) Higher hazard (7)
All48 Skin Conditioning23 Fragrance15 Emollient12 Masking10 Solvent8 Perfuming7 Viscosity Controlling7 Emulsifying5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
Water
(Solvent)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
CI 77891
(Colorant)
1
B
Isohexadecane
(Skin Conditioning, Emollient, Solvent)
1
A
Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, Skin Conditioning)
Silicone
Silicone
1
A
Synthetic Fluorphlogopite
(Bulking Agent, Viscosity Increasing Agent, Viscosity Controlling)
Prunus Amygdalus Dulcis Oil
(Skin Conditioning)
6
Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
B
Trimethylsiloxysilicate
(Antifoaming Agent, Emollient, Skin Conditioning)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
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
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
3
A
Cetyl PEG/PPG-10/1 Dimethicone
(Emulsifying, Skin Conditioning, Surfactant)
1
C13-15 Alkane
(Solvent)
1
A
Diisostearyl Malate
(Skin Conditioning, Emollient, Surfactant)
1
B
Silica Dimethyl Silylate
(Anticaking Agent, Bulking Agent, Slip Modifier, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Nonaqueous, Antifoaming Agent, Emollient, Emulsion Stabilising, Viscosity Controlling)
1
A
Magnesium Sulfate
(Bulking Agent, Hair Conditioning, Viscosity Controlling)
1
CI 77492
(Colorant, Cosmetic Colorant)
1
A
Disteardimonium Hectorite
(Stabilising, Viscosity Controlling)
1
B
Polyglyceryl-4 Isostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Triethoxycaprylylsilane
(Binding Agent, Binding)
1
A
Aluminum Hydroxide
(Emollient, Humectant, Opacifying, Skin Protecting, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)
PARFUM
(Fragrance, Perfuming)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Palmitic Acid
(Fragrance, Opacifying, Sufactant, Surfactant Emulsifying Agentsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Palmitic Acid., Emollient)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
2
CI 77499
(Colorant, Cosmetic Colorant)
1
Adenosine
(Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
7
Benzyl Salicylate
(Fragrance, Uv Absorber, Masking)
Allergens
Allergens
7
Hydroxycitronellal
(Fragrance, Masking)
Allergens
Allergens
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
6
A
BHT
(Antioxidant, Fragrance, Masking)
7
Eugenol
(Denaturant, Fragrance, Masking, Tonic)
Allergens
Allergens
1
A
Myristic Acid
(Fragrance, Opacifying, Sufactant, Emulsifying, Perfuming)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)

My Ingredient Notes

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Key ingredients

Antioxidants
Shields skin from free radical damage.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Exfoliators
Removes dead skin cells to smoothe texture.

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.
Scar HealingImproves the look of marks and scars.
Redness ReducingSoothes visible redness and calms irritation.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Good For Oily SkinBalances oil and helps reduce shine.

Concerns

Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Benzyl Salicylate — higher EWG
Hydroxycitronellal — higher EWG
Geraniol — 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

Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Titanium/Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifying
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Isohexadecane
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolvent
Synthetic Fluorphlogopite
Bulking agent, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentViscosity increasing agentViscosity controlling
Prunus Amygdalus Dulcis Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Trimethylsiloxysilicate
Antifoaming agent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antifoaming agentEmollientSkin conditioning
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Cetyl PEG/PPG-10/1 Dimethicone
Emulsifying, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A EmulsifyingSkin conditioningSurfactant
C13-15 Alkane
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Diisostearyl Malate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientSurfactant
+ 16 more — see the full ingredients list above
Phenyl Trimethicone
Antifoaming agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentHair conditioningSkin conditioning Silicone
Ethylhexyl Methoxycinnamate
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 6 Uv absorberUv filter Bad for Oily SkinBad for Sensitive Skin
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
Palmitic Acid
Fragrance, Opacifying
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceOpacifyingSufactantSurfactant -emulsifying agentsurfactant-cleansing agent is included as a function for the soap form of palmitic acid.Emollient Bad for Oily SkinFungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Benzyl Salicylate
Fragrance, Uv absorber
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceUv absorberMasking Allergens
Hydroxycitronellal
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Eugenol
Denaturant, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 DenaturantFragranceMaskingTonic Allergens
+ 2 more — see the full ingredients list above

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.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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