Waterglow Hydrating Serum
The Oneday Waterglow Hydrating Serum is a serums, essence, ampoule. Our analysis of its 33 ingredients (28 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry skin.
The Oneday Waterglow Hydrating Serum is a serums, essence, ampoule. Our analysis of its 33 ingredients (28 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry 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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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
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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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Lactobacillus/Collagen/Mesembryanthemum Crystallinum Leaf Extract Ferment Lysate
(Skin Conditioning) |
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Galactomyces Ferment Filtrate
(Humectant) |
Fungal Acne Trigger
|
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Inulin
(Humectant, Skin Conditioning) |
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Alpha-Glucan Oligosaccharide
(Cleansing, Skin Conditioning, Smoothing) |
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Allantoin
(Skin Conditioning, Skin Protecting, Soothing) |
Good for Oily Skin
Good for Sensitive Skin
|
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Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
|
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Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling) |
Good for Dry Skin
|
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Centella Asiatica Leaf Extract
(Skin Conditioning) |
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Avena sativa Kernel Extract
(Abrasive, Antioxidant, Skin Conditioning, Skin Conditioning Emollient) |
|
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Calendula Officinalis Flower Extract
(Masking, Perfuming, Skin Conditioning) |
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Polyglutamic Acid
(Skin Conditioning) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
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Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning) |
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Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant) |
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Sodium Acetylated Hyaluronate
(Humectant) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
|
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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1,2-Hexanediol
(Solvent) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
|
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Tropolone
(Skin Conditioning) |
|
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
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Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
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Sodium Phosphate
(Buffering Agent) |
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Sodium Nitrate
(Oral Care Agent, Soothing) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
|
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Potassium Sorbate
(Fragrance, Preservative) |
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Ceramide NP
(Hair Conditioning, Skin Conditioning) |
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PEG-7 Glyceryl Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
Fungal Acne Trigger
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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.
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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