Sheerzinc Broad Spectrum SPF 30
The Dermaquest Sheerzinc Broad Spectrum SPF 30 is a sunscreen. Our analysis of its 50 ingredients (41 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin.
The Dermaquest Sheerzinc Broad Spectrum SPF 30 is a sunscreen. Our analysis of its 50 ingredients (41 low-risk) rates it Excellent (98/100). 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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Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent) |
Good for Oily Skin
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Water
(Solvent) |
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Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent) |
Silicone
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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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Glyceryl Stearate
(Emollient, Emulsifying) |
Fungal Acne Trigger
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PEG-100 Stearate
(Surfactant) |
Fungal Acne Trigger
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Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying, Surfactant, Viscosity Increasing Agent) |
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Cyclohexasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent) |
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Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
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Sorbitan Stearate
(Fragrance, Emulsifying, Surfactant) |
Fungal Acne Trigger
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding) |
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C13-14 Isoparaffin
(Emollient, Solvent) |
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Laureth-7
(Emulsifying, Surfactant) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant) |
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imperata Cylindrica Root Extract
(Skin Conditioning) |
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PEG-8
(Humectant, Solvent) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Triethoxysilylethyl Polydimethylsiloxyethyl Hexyl Dimethicone
(Skin Conditioning) |
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Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Tocopheryl Linoleate/Oleate
(Antioxidant, Skin Conditioning) |
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Teprenone
(Skin Conditioning) |
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Phoenix Dactylifera Fruit Extract
(Skin Conditioning Emollient) |
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Polygonum Aviculare Extract
(Emollient) |
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant) |
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Arabidopsis Thaliana Extract
(Antioxidant) |
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Plankton Extract
(Skin Conditioning) |
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Micrococcus Lysate
(Skin Conditioning) |
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Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling) |
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Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning) |
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Bis(Cyano Butylacetate) Anthracenediylidene
(Skin Conditioning) |
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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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Caesalpinia Spinosa Fruit Pod Extract
(Hair Conditioning, Hair Waving Or Straightening) |
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Helianthus Annuus Sprout Extract
(Skin Conditioning) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Potassium Sorbate
(Fragrance, Preservative) |
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Rosa Damascena Flower Extract
(Masking, Tonic) |
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1,2-Hexanediol
(Solvent) |
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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.
Ascorbyl Palmitate, ASCORBIC ACID, Tetrahexyldecyl Ascorbate
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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