Intensive Vitamine C²
The Institut Esthederm Intensive Vitamine C² is a serums, essence, ampoule. Our analysis of its 26 ingredients (22 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Institut Esthederm Intensive Vitamine C² is a serums, essence, ampoule. Our analysis of its 26 ingredients (22 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
Dry Skin
4/5
Oily/Acne-Prone Skin
1/0
Sensitive Skin
4/6
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
|
|
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, 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
Fungal Acne Trigger
|
|
1
|
B
|
Propylheptyl Caprylate
(Emollient) |
|
|
1
|
A
|
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking) |
|
|
1
|
|
Ascorbyl Glucoside
(Antioxidant) |
|
|
1
|
|
Glyceryl Oleate Citrate
(Emulsifying, Surfactant) |
|
|
|
|
PARFUM
(Fragrance, Perfuming) |
|
|
1
|
A
|
Pentylene Glycol
(Skin Conditioning, Solvent) |
|
|
1
|
A
|
Sorbitan Sesquioleate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
|
1
|
|
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling) |
|
|
1
|
A
|
1,2-Hexanediol
(Solvent) |
|
|
1
|
A
|
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
|
|
1
|
A
|
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
|
|
1
|
A
|
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
|
|
1
|
|
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
|
|
Aminoethanesulfinic Acid
(Antioxidant, Reducing) |
|
|
1
|
|
Carnosine
(Skin Conditioning) |
|
|
1
|
|
Potassium Chloride
(Viscosity Increasing Agent, Viscosity Controlling) |
Bad for Oily Skin
|
|
1
|
A
|
Sodium Bicarbonate
(Abrasive, Buffering Agent, Deodorant, Oral Care Agent, Oral Health Care Drug, Phadjuster, Skin Protecting) |
|
|
|
|
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
|
|
1
|
B
|
Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
|
|
1
|
A
|
Magnesium Sulfate
(Bulking Agent, Hair Conditioning, Viscosity Controlling) |
|
|
1
|
B
|
Potassium Phosphate
(Ph Adjuster, Buffering Agent) |
|
|
1
|
|
Calcium Chloride
(Cosmetic Astringent, Viscosity Increasing Agent, Viscosity Controlling) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
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.
ASCORBIC ACID, Ascorbyl Glucoside
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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