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CIS,CIS-1,1'-(ETHYLIDENEBIS-OXY)DIHEX-3-ENE.

Questionable CAS 63449-64-9 / PERFUMING

An oil-soluble aromatic compound utilized primarily for its olfactory properties in cosmetic formulations. While it enhances the sensory experience of a product, it provides no known physiological benefits to the skin and may pose a risk for reactive skin types.

Fragrance

Science

This ingredient acts as a fragrance agent, utilizing its specific molecular structure to impart a distinct scent profile or mask the natural odors of other raw materials within a formulation.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance component rather than a bioactive active, the concept of 'dusting' is less applicable; however, its presence in any concentration can be a concern for individuals with fragrance sensitivities.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Analyzed via reverse-phase HPLC; requires a stable lipid-based environment for optimal integration. No specific cosmetic stability data is widely documented.


Safety

CIR Status
Not reviewed
Sensitization risk Moderate

Reported to potentially cause skin irritation, inflammation, and localized dryness. Risk factors increase when formulated alongside other known irritants.


Your Skin

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

Our Assessment

Questionable

A purely aromatic ingredient with a moderate risk of irritation, offering no functional skin benefits for precision-targeted routines.


Related

Finding similar ingredients…


References