Instant Firmx Eye Temporary Eye Tightener
The Peter Thomas Roth Instant Firmx Eye Temporary Eye Tightener is a misc. Our analysis of its 32 ingredients (25 low-risk) rates it Excellent (97/100).
The Peter Thomas Roth Instant Firmx Eye Temporary Eye Tightener is a misc. Our analysis of its 32 ingredients (25 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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Water
(Solvent) |
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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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Sodium Silicate
(Buffering Agent, Anticorrosive, Ph Adjuster) |
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Sodium Magnesium Fluorosilicate
(Abrasive, Absorbent, Opacifying, Viscosity Controlling) |
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Magnesium Aluminum Silicate
(Absorbent, Anticaking Agent, Opacifying, Slip Modifier, Viscosity Increasing Agent, Viscosity Controlling) |
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Dipeptide-2
(Skin Conditioning) |
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Palmitoyl Tetrapeptide-7
(Skin Conditioning) |
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Argania Spinosa Kernel Extract
(Skin Conditioning) |
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Hesperidin Methyl Chalcone
(Antioxidant) |
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Hydrolyzed Lupine Protein
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
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Medicago Sativa Seed Extract
(Skin Conditioning) |
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Sodium Cocoyl Glutamate
(Cleansing, Surfactant) |
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
|
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Foeniculum Vulgare Seed Extract
(Skin Conditioning) |
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Symphytum Officinale Root Extract
(Antidandruff Agent, Skin Conditioning, Soothing) |
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Chlorhexidine Digluconate
(Cosmetic Biocide, Oral Care Agent, Preservative, Antimicrobial) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Steareth-20
(Sufactant, Emulsifying, Surfactant) |
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Carrageenan | |
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Sodium Phytate
(Chelating Agent, Oral Care Agent) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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CI 77492
(Colorant, Cosmetic Colorant) |
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CI 77491
(Colorant, Cosmetic Colorant) |
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CI 77499
(Colorant, Cosmetic Colorant) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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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.
ASCORBIC 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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