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Moumoujus

HYDROXYCITRONELLAL METHYL ANTHRANILATE.

Questionable CAS 89-43-0 / PERFUMING

Hydroxycitronellal Methyl Anthranilate, also known as Aurantiol, is a synthetic fragrance compound renowned for its pervasive floral, orange blossom, and fruity notes. It also functions as an effective fixative, significantly enhancing the longevity of fragrance compositions.

Summary

fragrance fragrance fixative

Science

Mechanism of Action

This ingredient, a Schiff Base, is primarily utilized as a fragrance compound in cosmetic applications. It is synthetically formed through the condensation of hydroxycitronellal and methyl anthranilate, imparting a distinct aroma profile encompassing floral, orange-blossom, neroli, grape, sweet, and fruity undertones. Furthermore, it excels as a fixative, supporting and extending the wear time of other scent components.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

This ingredient serves as a fragrance and is not associated with 'dusting' in the context of active skincare benefits.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Also known as Aurantiol, this compound exhibits stability in both alkaline and aqueous environments. Incomplete dehydration during its synthesis can result in cloudiness in poorer quality versions due to residual water.

Safety

Safety Profile

CIR Status
Insufficient data
Max tested
0.0486%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) indicates insufficient data for a comprehensive safety assessment. However, the International Fragrance Association (IFRA) Standard 51 permits its inclusion in finished cosmetic products (Category 4) at a maximum concentration of 4.86%. General recommendations suggest use up to 8% in perfume concentrates. Globally Harmonized System (GHS) classifications classify it as causing skin irritation (H315) and serious eye irritation (H319), with potential for respiratory irritation (H335). It is also noted as toxic to aquatic life with long-lasting effects (H411). Despite the Environmental Working Group (EWG) noting a low concern for irritation, the GHS warnings indicate a moderate risk, especially for individuals with sensitivities.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While valued for its significant fragrance properties and fixative capabilities, its potential for moderate skin irritation, absence of direct skincare benefits, and 'insufficient data' CIR status render it a questionable inclusion for precision skincare formulations.

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