Vitamin C Night Repair Serum
The Kate Ryan Vitamin C Night Repair Serum is a serums, essence, ampoule. Our analysis of its 27 ingredients (21 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
The Kate Ryan Vitamin C Night Repair Serum is a serums, essence, ampoule. Our analysis of its 27 ingredients (21 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning) |
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Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning) |
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Rosa Canina Seed Oil
(Skin Conditioning Emollient) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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Punica Granatum Seed Oil
(Emollient) |
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Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Astaxanthin
(Cosmetic Colorant, Skin Conditioning) |
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Lycopene
(Antioxidant, Cosmetic Colorant) |
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Xanthophylls
(Skin Conditioning) |
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Thioctic Acid
(Antioxidant) |
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Beta-Carotene
(Skin Conditioning) |
Good for Dry Skin
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Phytosterols
(Skin Conditioning) |
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Phloretin
(Antioxidant, Antiseborrhoeic) |
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Cholesteryl Oleyl Carbonate
(Skin Conditioning) |
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Cholesteryl Nonanoate
(Emollient) |
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Cholesteryl Chloride
(Skin Conditioning) |
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BHT
(Antioxidant, Fragrance, Masking) |
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Ubiquinone
(Antioxidant, Skin Conditioning) |
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Ceramide NP
(Hair Conditioning, Skin Conditioning) |
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Oryzanol
(Skin Conditioning, Antistatic Agent) |
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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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Dimethylaminoethanol Tartrate
(Emollient) |
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Resveratrol
(Antioxidant, Skin Protecting) |
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Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic) |
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Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber) |
Good for Oily Skin
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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.
Tetrahexyldecyl Ascorbate, Ascorbyl Palmitate
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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