Peter Thomas Roth Instant FIRMx

Peter Thomas Roth

Peter Thomas Roth Instant FIRMx

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About this product

The Peter Thomas Roth Instant FIRMx is a misc. Our analysis of its 23 ingredients (15 low-risk) rates it Great (75/100). 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
Misc
Ingredients
23
Low-risk
15
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 3/2
Good for dry skin
Butylene Glycol Glycerin Urea
Caution for dry skin
Magnesium Aluminum Silicate Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 4/10
Good for sensitive skin
Ascorbyl Palmitate Glycerin Foeniculum Vulgare (Fennel) Seed Extract Tocopheryl Acetate
Caution for sensitive skin
Ascorbyl Palmitate Butylene Glycol Glycerin Retinyl Palmitate (Vitamin A) Methylparaben Ethylparaben Phenoxyethanol Butylparaben Isobutylparaben Propylparaben

Ingredients list

23 total
Lower hazard (1) Higher hazard (9)
All23 Skin Conditioning11 Fragrance7 Preservative7 Humectant5 Viscosity Controlling4 Solvent3 Antioxidant3 Masking3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
3
Sodium Silicate
(Buffering Agent, Anticorrosive, Ph Adjuster)
1
A
Sodium Magnesium Silicate
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling)
1
A
Magnesium Aluminum Silicate
(Absorbent, Anticaking Agent, Opacifying, Slip Modifier, Viscosity Increasing Agent, Viscosity Controlling)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
6
B
Diazolidinyl Urea
(Preservative)
1
Symphytum Officinale Leaf Extract
(Skin Conditioning)
1
Foeniculum Vulgare (Fennel) Seed Extract
(Antioxidant, Skin Conditioning, Skin Protecting)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
9
Retinyl Palmitate (Vitamin A) Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Ascorbyl Palmitate
(Antioxidant, Masking)
Fungal Acne
Fungal Acne Trigger
1
A
Phospholipids
(Skin Conditioning)
1
Chondrus Crispus (Carrageenan)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
4
A
Methylparaben
(Fragrance, Preservative)
Paraben
Paraben
7
A
Propylparaben
(Fragrance, Preservative, Perfuming)
Paraben
Paraben
4
A
Ethylparaben
(Fragrance, Preservative)
Paraben
Paraben
7
A
Butylparaben
(Fragrance, Preservative, Masking)
Paraben
Paraben
7
A
Isobutylparaben
(Preservative)
Paraben
Paraben

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

Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Urea
Humectant, Skin Conditioning
Symphytum Officinale Leaf Extract
Skin Conditioning
Foeniculum Vulgare (Fennel) Seed Extract
Antioxidant, Skin Conditioning
Panthenol
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Retinyl Palmitate (Vitamin A) — higher EWG
Propylparaben — higher EWG
Butylparaben — 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

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Sodium Silicate
Buffering agent, Anticorrosive
Low-to-moderate hazard.Read moreShow less
EWG 3 Buffering agentAnticorrosivePh adjuster
Sodium Magnesium Silicate
Binding agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentBulking agentBindingViscosity controlling
Magnesium Aluminum Silicate
Absorbent, Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentAnticaking agentOpacifyingSlip modifierViscosity increasing agentViscosity controlling
Urea
Buffering agent, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Buffering agentHumectantAntistatic agentSkin conditioning
Symphytum Officinale Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Foeniculum Vulgare (Fennel) Seed Extract
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioningSkin protecting
Phospholipids
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Chondrus Crispus (Carrageenan)
Other
Low-hazard ingredient.Read moreShow less
EWG 1
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
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
Diazolidinyl Urea
Preservative
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR B Preservative
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Retinyl Palmitate (Vitamin A)
Other
Higher-hazard ingredient.Read moreShow less
EWG 9 Good for Dry SkinFungal-acne trigger
Ascorbyl Palmitate
Antioxidant, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntioxidantMasking Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Methylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Propylparaben
Fragrance, Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A FragrancePreservativePerfuming Paraben
Ethylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Butylparaben
Fragrance, Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A FragrancePreservativeMasking Paraben
Isobutylparaben
Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Preservative Paraben

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) (Retinyl Palmitate (Vitamin A))

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.

Retinyl Palmitate (Vitamin A)

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.

Ascorbyl Palmitate

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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