Is Cyclopentanone safe in cosmetics?
Cyclopentanone has a safety rating of "MODERATE" in our database. EU status: permitted. US status: restricted.
Moderate
Cosmetic Ingredient
Cyclopentanone
INCI: CYCLOPENTANONE
Cyclopentanone (CAS 120‑92‑3 (widely recognized CAS for cyclopentanone as industrial solvent/chemical)) is a cosmetic cosmetic ingredient functioning as Solvent / fragrance component. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
120‑92‑3 (widely recognized CAS for cyclopentanone as industrial solvent/chemical)
View industrial chemical safety profile →
Function
Solvent / fragrance component
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
restricted
US Notes
Not a listed cosmetic color additive or restricted ingredient; industrial solvent with occupational exposure guidelines; cosmetic use should be minimized and justified.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Cyclopentanone.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Cyclopentanone.
Regulatory Flags
fragrance-component
ifra_fragrance
fda_food_additive
jecfa_safe
Frequently Asked Questions
Is Cyclopentanone allowed in the EU?
Cyclopentanone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Cyclopentanone do in cosmetics?
Cyclopentanone functions as: Solvent / fragrance component. It is classified as a cosmetic ingredient in our database. CAS number: 120‑92‑3 (widely recognized CAS for cyclopentanone as industrial solvent/chemical).
Compliance Tools
Check Cyclopentanone compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Is Cyclopentanone in Your Products?
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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Cyclopentanone in your formulation.