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2-HEXYL-1,3-DIOXOLANE-4-METHANOL.

Optional CAS 1708-35-6 / PERFUMING

A cyclic acetal compound functioning primarily as a fragrance component and masking agent in cosmetic formulations. This molecular structure can theoretically release glycerol through acid-catalyzed hydrolysis, though its primary role remains olfactory enhancement rather than skin treatment.

fragrance masking

Science

Functions as a fragrance modifier delivering mild, sweet, mushroom-like notes while potentially masking unwanted odors in formulations. Under acidic skin conditions, the acetal structure may slowly hydrolyze to release heptanal and glycerol, though this secondary emollient effect is minimal compared to its primary fragrance function.


Research

Low confidence
Effective range 0.05–0.07%
Optimal

0.06%


Transparency

Not commonly dusted

Primarily used as a fragrance component with no established skin benefits requiring meaningful concentrations


The Formula

Solubility
Both
Optimal pH 7 – 9
0 7 14

Stability

Exhibits pH-dependent stability with rapid degradation below pH 3 and questionable stability at neutral pH 7, while maintaining structural integrity at alkaline pH 9

Conflicts

  • Strong acids
  • Oxidizing agents

Safety

CIR Status
Not reviewed
Sensitization risk Low

GRAS status for food applications (FEMA 2542) and EU CosIng listing support general safety profile, with typical fragrance concentrate usage around 2%


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Optional

A functional fragrance ingredient with established safety but no proven dermatological benefits beyond olfactory enhancement.


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