4-in-1 Correcting Primer Redness Reducer

Pur Cosmetics

4-in-1 Correcting Primer Redness Reducer

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About this product

The Pur Cosmetics 4-in-1 Correcting Primer Redness Reducer is a misc. Our analysis of its 17 ingredients (10 low-risk) rates it Excellent (89/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
17
Low-risk
10
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 5/4
Good for dry skin
Silica Silylate Isononyl Isononanoate Isohexadecane Cyclopentasiloxane Lactic Acid
Caution for dry skin
Dimethicone Crosspolymer Sodium Starch Octenylsuccinate Silica Silylate Aluminum Starch Octenylsuccinate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Retinol
Sensitive Skin 0/3
Caution for sensitive skin
Lactic Acid Phenoxyethanol Retinol

Ingredients list

17 total
Lower hazard (1) Higher hazard (9)
All17 Skin Conditioning14 Viscosity Controlling6 Emulsion Stabilising5 Emollient4 Hair Conditioning3 Viscosity Increasing Agent3 Colorant3 Anticaking Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
1
A
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
2
B
Aluminum Starch Octenylsuccinate
(Absorbent, Anticaking Agent, Viscosity Increasing Agent, Viscosity Controlling)
1
B
Isohexadecane
(Skin Conditioning, Emollient, Solvent)
1
B
Isononyl Isononanoate
(Skin Conditioning, Emollient, Antistatic Agent)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
A
Sodium Starch Octenylsuccinate
(Absorbent, Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Magnesium Myristate
(Anticaking Agent, Slip Modifier, Viscosity Increasing Agent, Opacifying, Viscosity Controlling)
1
A
Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, Skin Conditioning)
Silicone
Silicone
1
B
Silica Silylate
(Antifoaming Agent, Bulking Agent, Skin Conditioning, Emollient, Suspending Agent Nonsurfactant, Anticaking Agent, Emulsion Stabilising, Viscosity Controlling)
CI 77891
(Colorant)
2
Iron Oxides
(Colorant, Cosmetic Colorant)
CI 77289
(Colorant)

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

Cyclopentasiloxane
Skin Conditioning, Emollient
Isohexadecane
Skin Conditioning, Emollient
Isononyl Isononanoate
Skin Conditioning, Emollient
Ceramide AP
Skin Conditioning
Retinol
Skin Conditioning
Lactic Acid
Exfoliant, Humectant

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for oily/acne-prone skin

Concerns

Contains paraben
Contains silicone
Retinol — higher EWG
May not suit sensitive skin

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 →

Ingredients explained

Dimethicone Crosspolymer
Emulsion stabilising, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingHair fixingSuspending agent - nonsurfactantViscosity increasingagent - nonaqueousViscosity controlling
Aluminum Starch Octenylsuccinate
Absorbent, Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B AbsorbentAnticaking agentViscosity increasing agentViscosity controlling
Isohexadecane
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolvent
Isononyl Isononanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientAntistatic agent
Ceramide AP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
Butyrospermum Parkii Butter
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Sodium Starch Octenylsuccinate
Absorbent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentEmulsion stabilisingViscosity increasing agentViscosity controlling
Magnesium Myristate
Anticaking agent, Slip modifier
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agentSlip modifierViscosity increasing agentOpacifyingViscosity controlling
Silica Silylate
Antifoaming agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antifoaming agentBulking agentSkin conditioningEmollientSuspending agent -nonsurfactantAnticaking agentEmulsion stabilisingViscosity controlling
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Iron Oxides
Colorant, Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 2 ColorantCosmetic colorant
CI 77289
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Phenyl Trimethicone
Antifoaming agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentHair conditioningSkin conditioning Silicone

How to use

How to use

  • 1 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinol)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

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

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinol

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic 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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