Line Killer Firm Serum
The Rexaline Line Killer Firm Serum is a serums, essence, ampoule. Our analysis of its 61 ingredients (53 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Rexaline Line Killer Firm Serum is a serums, essence, ampoule. Our analysis of its 61 ingredients (53 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry 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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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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Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
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Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
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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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PARFUM
(Fragrance, Perfuming) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling) |
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Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising) |
Silicone
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Polymethyl Methacrylate
(Film Forming) |
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Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
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Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling) |
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Pentaerythrityl Tetraisostearate
(Binding Agent, Skin Conditioning Agent Occlusive, Viscosity Increasing Agent, Emollient, Emulsifying, Surfactant) |
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PEG/PPG-18/18 Dimethicone
(Emulsifying) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning) |
Good for Sensitive Skin
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
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Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling) |
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Pentaerythrityl Tetraethylhexanoate
(Binding Agent, Skin Conditioning Agent Occlusive, Viscosity Increasing Agent, Emollient, Viscosity Controlling) |
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Titanium Dioxide
(Cosmetic Colorant, Opacifying, Sunscreen Agent, Uv Absorber) |
Good for Sensitive Skin
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Cyclodextrin
(Absorbent, Chelating Agent) |
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Polysilicone-11
(Film Forming) |
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Mica
(Cosmetic Colorant, Opacifying) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Triticum Vulgare Gluten
(Binding, Hair Conditioning, Humectant, Skin Conditioning) |
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Ethylene/Acrylic Acid Copolymer
(Binding, Emulsion Stabilising, Film Forming, Opacifying) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning) |
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Secale Cereale Seed Extract
(Abrasive, Bulking, Skin Conditioning) |
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Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling) |
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Morus Alba Root Extract
(Bleaching, Skin Conditioning) |
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Polysorbate 60
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Sodium Polyacrylate
(Absorbent, Emulsion Stabilising, Film Forming, Hair Fixing, Skin Conditioning Agent Emollient, Viscosity Controlling Agent, Viscosity Increasing Agent, Binding, Skin Conditioning) |
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Sorbitan Isostearate
(Emulsifying, Surfactant) |
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Adenosine
(Skin Conditioning) |
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1,2-Hexanediol
(Solvent) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Trideceth-6
(Emulsifying, Surfactant) |
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Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Benzoic Acid
(Fragrance, Ph Adjuster, Preservative, Bulking Agent, Masking) |
Bad for Sensitive Skin
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Poloxamer 338
(Emulsifying, Surfactant) |
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Sodium Phosphate
(Buffering Agent) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling) |
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Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent) |
Good for Oily Skin
Bad for Sensitive Skin
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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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Sodium Sulfite
(Antioxidant, Hair Waving Or Straightening, Reducing, Preservative) |
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Copper Palmitoyl Heptapeptide-14
(Skin Conditioning) |
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Palmitoyl Hexapeptide-14
(Skin Conditioning) |
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CI 16035
(Cosmetic Colorant) |
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Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
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Sodium Sulfate
(Viscosity Increasing Agent, Bulking Agent, Viscosity Controlling) |
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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.
Glycolic Acid, 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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