Keratin Smoothing Masque
The Ion Keratin Smoothing Masque is a misc. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (87/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Ion Keratin Smoothing Masque is a misc. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (87/100). 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
Dry Skin
11/4
Oily/Acne-Prone Skin
No data
Sensitive Skin
2/9
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
|
3
|
A
|
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
|
|
1
|
A
|
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling) |
|
|
3
|
B
|
Behentrimonium Chloride
(Antistatic Agent, Hair Conditioning, Preservative) |
|
|
1
|
|
Polyglyceryl-6 Dioleate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
|
|
1
|
B
|
Cetyl Esters
(Skin Conditioning, Emollient) |
|
|
1
|
|
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning) |
|
|
1
|
A
|
Glycol Stearate
(Emulsion Stabilising, Opacifying, Skin Conditioning, Emollient, Emulsifying, Surfactant) |
Fungal Acne Trigger
|
|
1
|
A
|
Stearyl Alcohol
(Emulsion Stabilising, Fragrance, Emulsifying, Surfactant, Foambooster, Viscosity Increasing Agent, Emollient, Foam Boosting, Masking, Opacifying, Refatting, Viscosity Controlling) |
|
|
2
|
A
|
Isopropyl Alcohol
(Antifoaming Agent, Fragrance, Solvent, Viscosity Decreasing Agent, Perfuming, Viscosity Controlling) |
Bad for Sensitive Skin
|
|
|
PARFUM
(Fragrance, Perfuming) |
|
|
1
|
A
|
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling) |
|
7
|
A
|
DMDM Hydantoin
(Preservative) |
|
4
|
|
Hydrogenated Cottonseed Oil
(Viscosity Increasing Agent, Emollient, Skin Conditioning) |
|
|
1
|
A
|
Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning, Viscosity Increasing Agent, Film Forming, Skin Conditioning, Viscosity Controlling) |
|
|
1
|
A
|
Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising) |
Silicone
|
|
1
|
A
|
Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
4
6
|
B
|
Iodopropynyl Butylcarbamate
(Preservative) |
|
|
2
|
A
|
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
|
|
2
|
A
|
Hydrolyzed Keratin
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Film Forming, Humectant) |
|
|
|
|
Prunus Amygdalus Dulcis Protein
(Hair Conditioning, Skin Conditioning) |
|
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
|
5
|
|
Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
|
5
|
|
Hexyl Cinnamal
(Fragrance, Masking) |
Allergens
|
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EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
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