Active Hydration Serum
The Rodan + Fields Active Hydration Serum is a serums, essence, ampoule. Our analysis of its 38 ingredients (24 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Rodan + Fields Active Hydration Serum is a serums, essence, ampoule. Our analysis of its 38 ingredients (24 low-risk) rates it Excellent (94/100). 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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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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Bis-PEG-12 Dimethicone
(Hair Conditioning, Skin Conditioning, Emollient) |
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Pyrus Malus Fruit Extract
(Skin Conditioning) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Adenosine
(Skin Conditioning) |
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Ceramide NP
(Hair Conditioning, Skin Conditioning) |
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Ceramide NS
(Hair Conditioning, Skin Conditioning) |
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Ceramide AP
(Hair Conditioning, Skin Conditioning) |
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Ceramide EOP
(Hair Conditioning, Skin Conditioning) |
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Ceramide EOS
(Hair Conditioning, Skin Conditioning) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Maris Sal
(Skin Conditioning) |
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Cetyl Hydroxyethylcellulose
(Emulsion Stabilising, Viscosity Increasing Agent, Film Forming, Viscosity Controlling) |
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Calcium PCA
(Humectant, Skin Conditioning) |
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Magnesium PCA
(Humectant, Skin Conditioning) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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Caprooyl Phytosphingosine
(Hair Conditioning, Skin Conditioning) |
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Caprooyl Sphingosine
(Hair Conditioning, Skin Conditioning) |
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Gellan Gum
(Emulsion Stabilising, Viscosity Increasing Agent, Film Forming, Viscosity Controlling) |
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Ceteareth-25
(Cleansing, Emulsifying, Surfactant) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
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Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling) |
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Behenic Acid
(Opacifying, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Behenic Acid., Emulsifying) |
Fungal Acne Trigger
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Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling) |
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Hydrated Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Oral Care Agent, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling) |
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Silica Dimethyl Silylate
(Anticaking Agent, Bulking Agent, Slip Modifier, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Nonaqueous, Antifoaming Agent, Emollient, Emulsion Stabilising, Viscosity Controlling) |
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Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
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PARFUM
(Fragrance, Perfuming) |
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Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Butylphenyl Methylpropional
(Perfuming) |
Allergens
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Limonene
(Deodorant, Perfuming, Solvent) |
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.
Ascorbyl Palmitate
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic 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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