Circular Hydration Serum
The Dermalogica Circular Hydration Serum is a emulsion. Our analysis of its 70 ingredients (55 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin.
The Dermalogica Circular Hydration Serum is a emulsion. Our analysis of its 70 ingredients (55 low-risk) rates it Excellent (98/100). 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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PEG-8
(Humectant, 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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Methylpropanediol
(Solvent) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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PPG-24-Glycereth-24
(Solvent, Emulsifying, Surfactant) |
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1,2-Hexanediol
(Solvent) |
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Xylitylglucoside
(Humectant, Skin Conditioning) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Hydroxyethyl Urea
(Hair Conditioning, Humectant, Skin Conditioning) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Hydroxyacetophenone
(Antioxidant) |
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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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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Dunaliella Salina Extract
(Skin Conditioning) |
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Avena sativa Kernel Extract
(Abrasive, Antioxidant, Skin Conditioning, Skin Conditioning Emollient) |
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Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming) |
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Citrus Paradisi Peel Oil
(Fragrance, Perfuming) |
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Citrus Limon Peel Oil
(Fragrance, Perfuming, Skin Conditioning) |
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SANTALUM ALBUM OIL
(Fragrance) |
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Laminaria Digitata Extract
(Skin Protecting) |
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Jasminum Sambac Flower Extract
(Fragrance, Perfuming) |
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Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling) |
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Gigartina Stellata Extract
(Skin Protecting) |
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Macrocystis Pyrifera Extract
(Viscosity Controlling) |
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Prunus Amygdalus Dulcis Oil
(Skin Conditioning) |
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Lithothamnion Calcareum Extract
(Skin Conditioning) |
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Citrus Aurantium Dulcis Oil
(Fragrance) |
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Cupressus Sempervirens Oil
(Masking) |
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Cistus Ladaniferus Leaf/Stem Extract
(Masking, Skin Conditioning) |
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Juniperus Virginiana Oil
(Masking, Tonic) |
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Rosmarinus Officinalis Flower/Leaf/Stem Extract
(Fragrance, Skin Conditioning) |
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Tagetes Minuta Flower Oil
(Masking, Perfuming, Skin Conditioning) |
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Rosa Damascena Flower
(Skin Conditioning) |
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Hydrolyzed Rice Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning) |
Good for Dry Skin
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Anhydroxylitol
(Humectant, Skin Conditioning) |
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Xylitol
(Flavoring Agent, Humectant, Skin Conditioning) |
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Polyglutamic Acid
(Skin Conditioning) |
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Lactobacillus Ferment
(Skin Conditioning) |
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Lysine HCL
(Hair Conditioning, Skin Conditioning) |
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Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
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Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling) |
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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PCA
(Humectant, Moisturising) |
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Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous) |
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Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
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Silanetriol
(Hair Conditioning) |
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Pantolactone
(Humectant) |
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Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent) |
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Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening) |
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Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Proline
(Fragrance, Hair Conditioning, Skin Conditioning) |
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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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Tetrasodium Glutamate Diacetate
(Chelating Agent) |
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Sorbitan Isostearate
(Emulsifying, Surfactant) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling) |
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Amylopectin
(Binding Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling) |
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Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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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.
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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