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Moumoujus

TRIMETHYLCYCLOPENTENYL DIMETHYLISOPENTENOL.

Avoid CAS 107898-54-4 / PERFUMING

TRIMETHYLCYCLOPENTENYL DIMETHYLISOPENTENOL serves primarily as a fragrance ingredient, designed to impart a scent to cosmetic products and the skin. Its application is subject to stringent regulations due to identified concerns regarding skin compatibility and overall safety.

Summary

Fragrance

Science

Mechanism of Action

This compound functions by contributing a specific olfactory profile to formulations, thereby enhancing the product's aroma or directly perfuming the skin.

Research

Clinical Evidence

High confidence
Effective range 0.2–1%
Optimal

0.27%

Key findings

  1. 01 Effectively utilized as a fragrance ingredient in skin creams at concentrations between 0.2% and 1%.

Transparency

Dusting Analysis

Not commonly dusted
Red flag below
0.27%

As a dedicated fragrance component, TRIMETHYLCYCLOPENTENYL DIMETHYLISOPENTENOL is not typically 'dusted' in the context of being an inactive ingredient included to imply a benefit. Its presence directly serves its function of imparting scent. However, its use is strictly governed by safety limits, and exceeding the IFRA maximum of 0.27% for face and body creams would constitute a significant safety concern.

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

Demonstrates stability within perfume compositions and diverse functional bases, indicating versatility in formulation.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.27%
Sensitization risk High

While approved under Annex III of the EC Cosmetics Regulation with specified conditions, this ingredient is identified as a human skin toxicant or allergen with moderate to strong evidence by RIFM and IFRA, respectively. It is also classified as a suspected endocrine disruptor and has received a 'strong penalty' by INCI Beauty due to these concerns. The RIFM expert panel considered it a weak skin sensitizer.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Given its primary function as a fragrance coupled with high reported risks of skin irritation, sensitization, and classification as a suspected endocrine disruptor, TRIMETHYLCYCLOPENTENYL DIMETHYLISOPENTENOL is not recommended for precision skincare formulations.

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