Intensiv Serum Vitamin C 10%
The Isana Intensiv Serum Vitamin C 10% is a serums, essence, ampoule. Our analysis of its 20 ingredients (12 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.
The Isana Intensiv Serum Vitamin C 10% is a serums, essence, ampoule. Our analysis of its 20 ingredients (12 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.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
Dry Skin
3/3
Oily/Acne-Prone Skin
No data
Sensitive Skin
1/10
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
|
|
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning) |
|
|
1
|
B
|
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, 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
Fungal Acne Trigger
|
|
1
|
B
|
Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
|
|
1
|
|
Caprylyl/Capryl Glucoside
(Cleansing, Foaming, Surfactant) |
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
|
|
Citrus Grandis Fruit Extract
(Astringent, Perfuming, Skin Conditioning, Tonic) |
|
|
1
|
A
|
Biosaccharide Gum-1
(Skin Conditioning) |
|
4
|
A
|
Phenoxyethanol
(Fragrance, Preservative) |
Paraben
|
|
1
|
A
|
Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling) |
|
|
3
|
B
|
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling) |
Good for Dry Skin
|
|
1
|
A
|
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
|
|
|
|
PARFUM
(Fragrance, Perfuming) |
|
|
1
|
A
|
Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
|
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
|
5
|
|
Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
|
3
|
A
|
Potassium Sorbate
(Fragrance, Preservative) |
|
7
|
|
Geraniol
(Fragrance, Masking, Tonic) |
Allergens
|
|
5
|
|
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning) |
Allergens
|
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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.
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.
3-O-ETHYL ASCORBIC ACID
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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