Study Buddy Detoxifying Bentonite Clay Mask
The Higher Education Skincare Study Buddy Detoxifying Bentonite Clay Mask is a wash-off mask. Our analysis of its 29 ingredients (20 low-risk) rates it Excellent (91/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Higher Education Skincare Study Buddy Detoxifying Bentonite Clay Mask is a wash-off mask. Our analysis of its 29 ingredients (20 low-risk) rates it Excellent (91/100). 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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Kaolin
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Skin Protecting, Slip Modifier) |
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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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Bentonite
(Absorbent, Bulking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent, Viscosity Controlling) |
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
|
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Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent) |
Good for Oily Skin
|
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Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning) |
Good for Dry Skin
|
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Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding) |
|
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
|
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Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning) |
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C13-14 Isoparaffin
(Emollient, Solvent) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
|
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning) |
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Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant) |
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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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Laureth-7
(Emulsifying, Surfactant) |
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PARFUM
(Fragrance, Perfuming) |
|
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Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent) |
Good for Oily Skin
Bad for Sensitive Skin
|
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Mica
(Cosmetic Colorant, Opacifying) |
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Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying) |
|
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Curcuma Longa Root Extract
(Fragrance, Perfuming) |
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Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking) |
Allergens
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Vanillyl Butyl Ether
(Fragrance, Hair Conditioning, Oral Care Agent, Skin Conditioning Agent Miscellaneous, Masking, Skin Conditioning) |
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1,2-Hexanediol
(Solvent) |
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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.
Tetrahexyldecyl Ascorbate
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid, Glycolic 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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