Secure The Sweat Primer

One/Size by Patrick Starrr

Where to buy Possibly in stock

About this product

The One/Size by Patrick Starrr Secure The Sweat Primer is a misc. Our analysis of its 28 ingredients (21 low-risk) rates it Excellent (98/100). 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
28
Low-risk
21
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 9/6
Good for dry skin
Equisetum Arvense Extract Squalane Caprylyl Glycol Butylene Glycol Glycerin Propylene Glycol Dimethicone Zinc PCA Heptyl Undecylenate
Caution for dry skin
Maltodextrin Equisetum Arvense Extract Glycerin Alcohol Silica Sodium Acrylates Crosspolymer-2
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Equisetum Arvense Extract Alcohol
Sensitive Skin 3/6
Good for sensitive skin
Equisetum Arvense Extract Glycerin Dimethicone
Caution for sensitive skin
Butylene Glycol Glycerin Propylene Glycol Phenylpropanol Alcohol Phenoxyethanol

Ingredients list

28 total
Lower hazard (1) Higher hazard (4)
All28 Skin Conditioning16 Solvent8 Humectant7 Viscosity Controlling6 Fragrance6 Hair Conditioning5 Emollient5 Skin Protecting3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
2
Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Bambusa Arundinacea Stem Powder
(Abrasive)
B
Heptyl Undecylenate
(Emollient)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
Sodium Acrylates Crosspolymer-2
(Absorbent)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
HDI/Trimethylol Hexyllactone Crosspolymer
(Anticaking Agent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
Polyurethane-35
(Binding)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
1
Equisetum Arvense Extract
(Astringent, Emollient, Soothing, Tonic)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
3
Zinc PCA
(Skin Conditioning, Humectant)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
1
Methylpropanediol
(Solvent)
Salvia Officinalis Oil
(Fragrance, Tonic)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
Syringa Vulgaris Extract
(Skin Conditioning, Tonic)
1
Phenylpropanol
(Masking, Perfuming, Solvent)

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

Alcohol
Astringent
Heptyl Undecylenate
Emollient
Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Squalane
Emollient, Skin Conditioning
Propylene Glycol
Humectant, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Bambusa Arundinacea Stem Powder
Abrasive
Low-hazard ingredient.Read moreShow less
EWG 1 Abrasive
Heptyl Undecylenate
Emollient
Limited public safety data.Read moreShow less
EWG N/A CIR B Emollient
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Sodium Acrylates Crosspolymer-2
Absorbent
Limited public safety data.Read moreShow less
EWG N/A Absorbent
Polyacrylate Crosspolymer-6
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
HDI/Trimethylol Hexyllactone Crosspolymer
Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Polyurethane-35
Binding
Limited public safety data.Read moreShow less
EWG N/A Binding
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Sodium Phytate
Chelating agent, Oral care agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agentOral care agent
Equisetum Arvense Extract
Astringent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentEmollientSoothingTonic
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
+ 7 more — see the full ingredients list above
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
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
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

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.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

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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