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CIS-TETRAHYDRO-6-PENT-2-ENYL-PYRAN-2-ONE.

Questionable CAS 25524-95-2 / PERFUMING

CIS-TETRAHYDRO-6-PENT-2-ENYL-PYRAN-2-ONE is a lactone valued primarily for its distinctive fragrance profile, contributing a specific aroma to various products. Beyond its olfactory role, it demonstrates functional properties as both a surfactant and an emulsifier in cosmetic and other applications.

Fragrance Ingredient Surfactant Emulsifier Cosmetic Additive

Science

The precise mechanism of action on skin for this compound, particularly concerning direct dermatological benefits, is not detailed in the available research.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

This ingredient is typically incorporated for its aromatic profile or functional properties rather than as a concentrated active, making 'dusting' considerations irrelevant for its primary applications.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Reported to be very stable, suggesting robust integration into various formulations.


Safety

CIR Status
Not reviewed
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed this ingredient, as its primary function is fragrance, a category typically assessed by the Research Institute for Fragrance Materials (RIFM). The US FDA has classified it as Generally Recognized as Safe (GRAS) for food additive use. RIFM safety assessments for related isomers indicate a low risk for skin sensitization under current usage levels and confirm it is not genotoxic, phototoxic, or photoallergenic.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Medium
Comedogenicity Unknown

Our Assessment

Questionable

While widely employed for its fragrance and functional properties, the absence of specific skin benefits coupled with a reported medium irritancy potential positions this ingredient as questionable for precision skincare formulations focused on targeted dermatological efficacy.


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