Vit C + Ferulic Acid Brightening Serum
The Rodial Vit C + Ferulic Acid Brightening Serum is a serums, essence, ampoule. Our analysis of its 26 ingredients (18 low-risk) rates it Excellent (87/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Rodial Vit C + Ferulic Acid Brightening Serum is a serums, essence, ampoule. Our analysis of its 26 ingredients (18 low-risk) rates it Excellent (87/100). 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
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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3-O-ETHYL ASCORBIC ACID
(Skin Conditioning) |
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Sorbitan Laurate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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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
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C15-19 Alkane
(Solvent) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Potassium Cetyl Phosphate
(Emulsifying, Surfactant) |
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Polyglyceryl-4 Laurate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Cetrimonium Bromide
(Antistatic Agent, Cosmetic Biocide, Emulsifying, Surfactant, Antimicrobial, Preservative) |
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Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial) |
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PARFUM
(Fragrance, Perfuming) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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Dilauryl Citrate
(Skin Conditioning, Emollient) |
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Dehydroacetic Acid
(Preservative) |
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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1-Methylhydantoin-2-Imide
(Skin Conditioning) |
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Gluconolactone
(Fragrance, Humectant, Solvent) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Geraniol
(Fragrance, Masking, Tonic) |
Allergens
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Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
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Terminalia Ferdinandiana Fruit Extract
(Antioxidant, Bleaching) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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
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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