No. 4 Concentrate
The Kit: No. 4 Concentrate is a emulsion. Our analysis of its 23 ingredients (20 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry skin.
The Kit: No. 4 Concentrate is a emulsion. Our analysis of its 23 ingredients (20 low-risk) rates it Excellent (100/100). 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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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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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Undecane
(Emollient, Skin Conditioning) |
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Bakuchiol
(Cosmetic Biocide, Antimicrobial) |
|
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Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning) |
Good for Sensitive Skin
|
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Withania Somnifera Root Extract
(Skin Conditioning) |
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Vaccinium Corymbosum Fruit Extract
(Skin Conditioning) |
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Tasmannia Lanceolata Leaf Extract
(Hair Conditioning, Skin Conditioning) |
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Fucus Vesiculosus Extract
(Emollient, Skin Conditioning, Smoothing, Soothing) |
|
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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1,2-Hexanediol
(Solvent) |
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Cetearyl Olivate
(Hair Conditioning) |
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Tridecane
(Perfuming) |
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Hydroxyacetophenone
(Antioxidant) |
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Sorbitan Olivate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
|
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Potassium Sorbate
(Fragrance, Preservative) |
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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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