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3-METHYL-5-PHENYL-2-PENTENENITRILE.

Optional CAS 93893-89-1 / PERFUMING

An aromatic nitrile compound that serves as a fragrance ingredient, delivering citrusy and spicy-phenyl notes to cosmetic formulations. This volatile compound demonstrates significant skin penetration capabilities, with absorption rates reaching 32.4% under normal conditions and 50.2% when occluded.

perfuming

Science

Functions exclusively as an olfactory modifier by interacting with scent receptors to provide fragrance benefits. Unlike active skincare ingredients, it does not engage in biological pathways for skin improvement such as anti-aging or moisture enhancement.


Research

Medium confidence
Effective range ≤0.029%
Optimal

N/A

Key findings

  1. 01 RIFM skin absorption study showing 32.4-50.2% penetration at 1.0% concentration
  2. 02 NESIL determination at 270 μg/cm² identifying sensitization potential

Transparency

Not commonly dusted

As a fragrance component with strict IFRA concentration limits, this ingredient is unlikely to be artificially inflated in product claims


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Demonstrates good stability under standard cosmetic conditions but exhibits high volatility with 42.5% evaporative loss over 24 hours in unoccluded systems

Conflicts

  • Strong acids
  • Strong bases
  • Strong oxidizing agents

Safety

CIR Status
Not reviewed
Max tested
0.029%
Sensitization risk Moderate

IFRA-regulated with maximum 0.029% allowed in face and body moisturizers. Safety profile primarily concerns dermal sensitization and systemic toxicity risks at higher concentrations.


Your Skin

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Optional

A well-regulated fragrance ingredient suitable for non-sensitive skin types when used within IFRA concentration limits.


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