Potent-C Targeted Spot Brightener
The Peter Thomas Roth Potent-C Targeted Spot Brightener is a treatment. Our analysis of its 26 ingredients (22 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.
The Peter Thomas Roth Potent-C Targeted Spot Brightener is a treatment. Our analysis of its 26 ingredients (22 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
|
|
|
Water
(Solvent) |
|
|
|
|
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning) |
|
|
|
|
PEG-8 Beeswax
(Emulsifying, Surfactant) |
|
|
|
|
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
|
|
|
Magnesium Aluminum Silicate
(Absorbent, Anticaking Agent, Opacifying, Slip Modifier, Viscosity Increasing Agent, Viscosity Controlling) |
|
|
|
|
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling) |
|
|
|
|
Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
|
|
|
|
Glyceryl Stearate
(Emollient, Emulsifying) |
Fungal Acne Trigger
|
|
|
|
PEG-100 Stearate
(Surfactant) |
Fungal Acne Trigger
|
|
|
|
Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial) |
|
|
|
|
Isopropyl Palmitate
(Binding Agent, Fragrance, Skin Conditioning, Emollient, Antistatic Agent, Binding, Perfuming, Solvent) |
Bad for Oily Skin
Fungal Acne Trigger
|
|
|
|
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
|
|
|
|
Ceteareth-20
(Cleansing, Emulsifying, Surfactant) |
|
|
|
|
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
|
|
|
|
Allantoin
(Skin Conditioning, Skin Protecting, Soothing) |
Good for Oily Skin
Good for Sensitive Skin
|
|
|
|
Aloe Barbadensis Leaf Juice
(Skin Conditioning) |
Good for Sensitive Skin
|
|
|
|
Angelica Acutiloba Root Extract
(Skin Conditioning) |
|
|
|
|
Dictyopteris Polypodioides Extract
(Skin Conditioning, Skin Conditioning Emollient) |
|
|
|
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
|
|
Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
|
|
|
|
Titanium Dioxide
(Cosmetic Colorant, Opacifying, Sunscreen Agent, Uv Absorber) |
Good for Sensitive Skin
|
|
|
|
Mica
(Cosmetic Colorant, Opacifying) |
|
|
|
|
Potassium Bitartrate
(Buffering) |
|
|
|
|
Potassium Sorbate
(Fragrance, Preservative) |
|
|
|
|
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
|
|
|
|
Phenoxyethanol
(Fragrance, Preservative) |
Paraben
|
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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.
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.
From the community
Used this product? Rate it in 10 seconds
Alternatives