C-Therapy Serum

Marie Veronique

Where to buy Possibly in stock

About this product

The Marie Veronique C-Therapy Serum is a serums, essence, ampoule. Our analysis of its 35 ingredients (23 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
35
Low-risk
23
Fragrance
Fragrance-free
Origin
United States

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 6/6
Good for dry skin
Behenyl Alcohol Squalene Glycerin Camellia Sinensis Leaf Extract Lecithin 3-Glyceryl Ascorbate
Caution for dry skin
Sodium Salicylate Sorbitan Olivate Xanthan Gum Glycerin Camellia Sinensis Leaf Extract Lecithin
Oily/Acne-Prone Skin 3/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate Sodium Ascorbyl Phosphate Camellia Sinensis Leaf Extract
Sensitive Skin 8/6
Good for sensitive skin
Magnesium Ascorbyl Phosphate Sodium Ascorbyl Phosphate Glycerin Tetrahexyldecyl Ascorbate Thioctic Acid Ferulic Acid Camellia Sinensis Leaf Extract 3-Glyceryl Ascorbate
Caution for sensitive skin
Glutathione Beta-Sitosterol Glycerin Citric Acid Camellia Sinensis Leaf Extract Potassium Sorbate

Ingredients list

35 total
Lower hazard (1) Higher hazard (3)
All35 Skin Conditioning22 Antioxidant8 Fragrance7 Skin Conditioning Emollient6 Hair Conditioning6 Emulsion Stabilising5 Emollient4 Humectant4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
Water
(Solvent)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
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
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
Brassica Oleracea Italica Seed Oil
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
VITIS VINIFERA SEED OIL
(Skin Conditioning, Skin Conditioning Emollient)
Lactobacillus
(Skin Conditioning)
3-Glyceryl Ascorbate
(Antioxidant, Humectant)
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
1
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
2
Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial)
Cocos Nucifera Fruit Extract
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Beta-Glucan
(Bulking Agent, Skin Conditioning)
ganoderma lucidum extract
(Skin Protecting)
1
B
Sodium Salicylate
(Denaturant, Preservative)
1
A
Beta-Sitosterol
(Emulsion Stabilising, Masking, Skin Conditioning, Stabilising)
1
B
Cetearyl Olivate
(Hair Conditioning)
Dicrateria Rotunda Oil
(Skin Conditioning)
1
Silybum Marianum Seed Extract
(Skin Conditioning)
1
A
Behenyl Alcohol
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Emollient, Viscosity Controlling)
1
A
Sorbitan Olivate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Squalene
(Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Refatting)
Fungal Acne
Fungal Acne Trigger
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Glutathione
(Fragrance, Reducing)
2
Thioctic Acid
(Antioxidant)
Curcuma Longa Root Extract
(Fragrance, Perfuming)
Glycine Soja Oil
(Perfuming, Skin Conditioning, Skin Conditioning Emollient)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
3
A
Potassium Sorbate
(Fragrance, Preservative)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Camellia Sinensis Leaf Extract
Antioxidant, Astringent
Tetrahexyldecyl Ascorbate
Antioxidant, Skin Conditioning
Glycerin
Humectant, Skin Protecting
SIMMONDSIA CHINENSIS SEED OIL
Skin Conditioning
Brassica Oleracea Italica Seed Oil
Skin Conditioning
VITIS VINIFERA SEED OIL
Skin Conditioning

Benefits

Good for oily/acne-prone skin
Good for sensitive skin

Concerns

Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
Brassica Oleracea Italica Seed Oil
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
VITIS VINIFERA SEED OIL
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Lactobacillus
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
3-Glyceryl Ascorbate
Antioxidant, Humectant
Limited public safety data.Read moreShow less
EWG N/A AntioxidantHumectant
Magnesium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Sodium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Leuconostoc/Radish Root Ferment Filtrate
Antidandruff agent, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antidandruff agentAntimicrobial
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Ferulic Acid
Antioxidant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 2 AntioxidantPreservativeUv absorberAntimicrobial
Cocos Nucifera Fruit Extract
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Beta-Glucan
Bulking agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentSkin conditioning
+ 15 more — see the full ingredients list above
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily 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
Sorbitan Olivate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Squalene
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientAntistatic agentRefatting Fungal-acne trigger
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

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 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.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Tetrahexyldecyl Ascorbate, 3-Glyceryl Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbyl Phosphate

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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