Skin Tightening Serum
The Kirei Products Skin Tightening Serum is a serums, essence, ampoule. Our analysis of its 38 ingredients (31 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry and sensitive skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Kirei Products Skin Tightening Serum is a serums, essence, ampoule. Our analysis of its 38 ingredients (31 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry and sensitive skin. Heads up: it contains fragrance, which can irritate sensitive or reactive 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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Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent) |
Silicone
|
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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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Isononanal
(Perfuming) |
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Diphenylsiloxy Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, 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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Capric Acid
(Fragrance, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Capric Acid., Emulsifying, Masking, Perfuming) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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PEG-9 Polydimethylsiloxyethyl Dimethicone
(Skin Conditioning, Emulsifying, Surfactant) |
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Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
(Viscosity Controlling) |
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Inulin
(Humectant, Skin Conditioning) |
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Prunus Amygdalus Dulcis Seed Extract
(Skin Conditioning) |
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Avena sativa Kernel Extract
(Abrasive, Antioxidant, Skin Conditioning, Skin Conditioning Emollient) |
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Polyglutamic Acid
(Skin Conditioning) |
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Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant) |
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Mannose
(Humectant) |
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Sodium Mannose Phosphate
(Humectant, Skin Conditioning) |
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Caprooyl Tetrapeptide-3
(Skin Protecting) |
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Xanthan Gum Crosspolymer
(Skin Conditioning, Skin Protecting) |
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Sodium Bicarbonate
(Abrasive, Buffering Agent, Deodorant, Oral Care Agent, Oral Health Care Drug, Phadjuster, Skin Protecting) |
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Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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PEG-10 Dimethicone
(Hair Conditioning, Skin Conditioning) |
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Cetyl PEG/PPG-10/1 Dimethicone
(Emulsifying, Skin Conditioning, Surfactant) |
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Hydrogen Dimethicone
(Film Forming) |
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Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
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Glyceryl Behenate/Eicosadioate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Sodium Sulfate
(Viscosity Increasing Agent, Bulking Agent, Viscosity Controlling) |
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PARFUM
(Fragrance, Perfuming) |
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Dextran
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Methylparaben
(Fragrance, Preservative) |
Paraben
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Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying) |
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Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent) |
Good for Oily Skin
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Aluminum Hydroxide
(Emollient, Humectant, Opacifying, Skin Protecting, Viscosity Controlling) |
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Mica
(Cosmetic Colorant, Opacifying) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
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