Daily Vitamin C Serum
The Oak Essentials Daily Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to sensitive skin.
The Oak Essentials Daily Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to sensitive 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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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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3-O-ETHYL ASCORBIC ACID
(Skin Conditioning) |
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Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning) |
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Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient) |
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Ethylhexyl Olivate
(Skin Conditioning) |
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Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking) |
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Magnolia Officinalis Bark Extract
(Antimicrobial, Skin Conditioning) |
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Phaeodactylum Tricornutum Extract
(Humectant, Soothing) |
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Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning) |
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rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning) |
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Sodium Ascorbate
(Antioxidant) |
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Polyglycerin-6
(Humectant) |
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Ethyl Ferulate
(Antioxidant, Preservative) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Hydroxyacetophenone
(Antioxidant) |
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C15-19 Alkane
(Solvent) |
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Sorbitan Oleate
(Fragrance, Emulsifying, Surfactant) |
Bad for Oily Skin
Fungal Acne Trigger
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Polyglyceryl-6 Laurate
(Emulsifying) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Sorbitan Isostearate
(Emulsifying, Surfactant) |
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Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Anticaking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent) |
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Tetrasodium Glutamate Diacetate
(Chelating Agent) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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, Tetrahexyldecyl Ascorbate, Sodium Ascorbate
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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