Moderate Cosmetic Ingredient

Phthalimidoperoxycaproic Acid (PAP)

INCI: PHTHALIMIDOPEROXYCAPROIC ACID

CAS Number
128275-31-0
Function
Oxidising agent that changes the chemical nature of another substance by adding oxygen or removing hydrogen
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes FDA — not specifically restricted; permitted as a cosmetic ingredient under general cosmetic provisions

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Oxidising agent with GHS hazard classifications H242 (heating may cause fire), H318 (causes serious eye damage), and H400 (very toxic to aquatic life). Must handle with care, avoid eye contact, and store away from heat sources.

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Concern Level: Moderate

Frequently Asked Questions

Is Phthalimidoperoxycaproic Acid (PAP) safe in cosmetics?

Oxidising agent with GHS hazard classifications H242 (heating may cause fire), H318 (causes serious eye damage), and H400 (very toxic to aquatic life). Must handle with care, avoid eye contact, and store away from heat sources. The EU classifies Phthalimidoperoxycaproic Acid (PAP) as "permitted". Safety rating: MODERATE.

Is Phthalimidoperoxycaproic Acid (PAP) allowed in the EU?

Phthalimidoperoxycaproic Acid (PAP) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Phthalimidoperoxycaproic Acid (PAP) do in cosmetics?

Phthalimidoperoxycaproic Acid (PAP) functions as: Oxidising agent that changes the chemical nature of another substance by adding oxygen or removing hydrogen. It is classified as a cosmetic ingredient in our database. CAS number: 128275-31-0.

What is the Margin of Safety for Phthalimidoperoxycaproic Acid (PAP)?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

Compliance Tools

Check Phthalimidoperoxycaproic Acid (PAP) compliance across multiple jurisdictions:

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Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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