Defense Triple Algae Pollution Shield

Paula's Choice

Defense Triple Algae Pollution Shield

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About this product

The Paula's Choice Defense Triple Algae Pollution Shield is a treatment. Our analysis of its 46 ingredients (35 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Treatments
Ingredients
46
Low-risk
35
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 15/7
Good for dry skin
C12-15 Alkyl Benzoate C13-14 Isoparaffin Glyceryl Stearate Decyl Oleate Moringa Oleifera Seed Oil Linolenic Acid Linoleic Acid Fucus Vesiculosus Extract Cetearyl Alcohol Ectoin Caprylyl Glycol Butylene Glycol Glycerin Coco-Caprylate/Caprate Lecithin
Caution for dry skin
Linolenic Acid Linoleic Acid Xanthan Gum Glycerin Laureth-7 Polysorbate 80 Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 7/8
Good for sensitive skin
Fucus Vesiculosus Extract Ubiquinone Glycerin Curcumin Tetrahexyldecyl Ascorbate Epigallocatechin Gallate Tocopheryl Acetate
Caution for sensitive skin
Glutathione Dipropylene Glycol Linolenic Acid Linoleic Acid Butylene Glycol Glycerin Acacia Senegal Gum Phenoxyethanol

Ingredients list

46 total
Lower hazard (1) Higher hazard (4)
All46 Skin Conditioning42 Emollient13 Fragrance10 Antioxidant7 Viscosity Controlling7 Solvent7 Hair Conditioning6 Humectant5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
B
Coco-Caprylate/Caprate
(Emollient, Skin Conditioning)
1
B
Decyl Oleate
(Skin Conditioning, Emollient)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
Cucumis Sativus Extract
(Skin Conditioning)
arctostaphylos uva-ursi leaf extract
(Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Glutathione
(Fragrance, Reducing)
Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
Vitis Vinifera Seed Extract
(Anti Seborrheic, Antimicrobial, Antioxidant, Oral Care, Skin Protecting, Uv Absorber)
1
Ubiquinone
(Antioxidant, Skin Conditioning)
1
Curcumin
(Antioxidant)
1
Silybum Marianum Fruit Extract
(Skin Conditioning)
2
Epigallocatechin Gallate
(Antioxidant)
1
Ascophyllum Nodosum Extract
(Skin Conditioning)
1
A
Moringa Oleifera Seed Oil
(Emollient, Skin Conditioning)
1
Fucus Vesiculosus Extract
(Emollient, Skin Conditioning, Smoothing, Soothing)
Ficus Carica Fruit Extract
(Humectant)
1
Leontopodium Alpinum Flower Extract
(Skin Conditioning)
1
Emblica Officinalis Fruit Extract
(Skin Conditioning)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient)
Fungal Acne
Fungal Acne Trigger
1
Linolenic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linolenic Acid., Antistatic Agent, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
Phytosphingosine Phosphate
(Hair Conditioning, Skin Conditioning)
1
Thermus Thermophillus Ferment
(Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Sesamum Indicum Seed Oil
(Fragrance, Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
1
Ectoin
(Buffering Agent, Skin Conditioning, Emollient)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
4
B
Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
B
C13-14 Isoparaffin
(Emollient, Solvent)
1
A
C12-15 Alkyl Benzoate
(Skin Conditioning, Emollient, Antimicrobial)
3
B
Polysorbate 80
(Denaturant, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
1,2-Hexanediol
(Solvent)
3
B
Laureth-7
(Emulsifying, Surfactant)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Glycerin
Humectant, Skin Protecting
Butylene Glycol
Skin Conditioning, Humectant
Coco-Caprylate/Caprate
Emollient, Skin Conditioning
Decyl Oleate
Skin Conditioning, Emollient
Cucumis Sativus Extract
Skin Conditioning
arctostaphylos uva-ursi leaf extract
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Coco-Caprylate/Caprate
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmollientSkin conditioning
Cucumis Sativus Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
arctostaphylos uva-ursi leaf extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Glutathione
Fragrance, Reducing
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceReducing
Chondrus Crispus Extract
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Vitis Vinifera Seed Extract
Anti seborrheic, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAntimicrobialAntioxidantOral careSkin protectingUv absorber
Ubiquinone
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Curcumin
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Silybum Marianum Fruit Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Epigallocatechin Gallate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 2 Antioxidant
Ascophyllum Nodosum Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Moringa Oleifera Seed Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning
+ 22 more — see the full ingredients list above
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Decyl Oleate
Skin conditioning, Emollient
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR B Skin conditioningEmollient Bad for Oily SkinFungal-acne trigger
Linoleic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningSufactantsurfactant-cleansing agent is included as a function for the soap form of linoleic acid.Antistatic agentEmollient Fungal-acne trigger
Linolenic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningSufactantsurfactant-cleansing agent is included as a function for the soap form of linolenic acid.Antistatic agentEmollientPerfuming Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Polysorbate 80
Denaturant, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantEmulsifyingSurfactant Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

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

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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