Hydrakate Illuminating SPF 50+ Drops
The Kate Somerville Hydrakate Illuminating SPF 50+ Drops is a emulsion. Our analysis of its 27 ingredients (20 low-risk) rates it Excellent (97/100).
The Kate Somerville Hydrakate Illuminating SPF 50+ Drops is a emulsion. Our analysis of its 27 ingredients (20 low-risk) rates it Excellent (97/100).
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent) |
Good for Oily Skin
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C13-15 Alkane
(Solvent) |
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Water
(Solvent) |
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Ethyl Macadamiate
(Skin Conditioning, Emollient) |
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Polyhydroxystearic Acid
(Suspending Agent Nonsurfactant, Emulsifying) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate
(Emulsifying, Emulsion Stabilising, Surfactant) |
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Polyglyceryl-3 Polyricinoleate
(Emulsifying, Surfactant, Viscosity Increasing Agent) |
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Ectoin
(Buffering Agent, Skin Conditioning, Emollient) |
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Hydroxyectoin
(Buffering Agent, Emollient, Skin Conditioning) |
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Isostearic Acid
(Binding Agent, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Isostearic Acid., Binding, Emulsifying) |
Fungal Acne Trigger
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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Trisodium Ethylenediamine Disuccinate
(Chelating Agent) |
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Quaternium-90 Bentonite
(Suspending Agent Nonsurfactant, Viscosity Controlling) |
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lavandula angustifolia oil
(Fragrance, Tonic) |
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citrus aurantium dulcis peel oil
(Fragrance, Skin Conditioning) |
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Triethyl Citrate
(Fragrance, Plasticizer, Antioxidant, Deodorant, Masking, Solvent) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Malic Acid
(Fragrance, Ph Adjuster, Buffering Agent) |
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Stearyl Triethoxysilane
(Binding) |
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Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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CI 77491
(Colorant, Cosmetic Colorant) |
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CI 77492
(Colorant, Cosmetic Colorant) |
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CI 77499
(Colorant, Cosmetic Colorant) |
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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.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Malic 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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