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AMYLCYCLOPENTANONE.

Optional CAS 4819-67-4 / PERFUMING

Amylcyclopentanone is a synthetic fragrance ingredient recognized for its green, fruity-floral, jasmine-like scent. It is used in cosmetics to impart an olfactory profile rather than delivering direct skincare benefits.

perfuming

Science

This compound functions purely as a perfuming agent, contributing a volatile jasmine note through evaporation. It does not possess documented therapeutic mechanisms for improving skin structure or physiology.


Research

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A study on 178 patients with known fragrance allergies showed no positive reactions to 5% Amylcyclopentanone, indicating a low sensitization risk.
  2. 02 Tests of undiluted cyclopentanones, including Amylcyclopentanone, demonstrated low acute toxicity and minimal skin irritation in humans at reported usage levels.

Transparency

Not commonly dusted

As a fragrance ingredient, Amylcyclopentanone is not typically "dusted" in formulations. Its inclusion is for scent, not for an active effect where low concentrations might be misleadingly marketed.


The Formula

Solubility
Oil
Optimal pH 5.5 – 7
0 7 14

Stability

It exhibits best stability in neutral pH conditions and is heat-tolerant up to 40°C. For optimal scent preservation, it should be added during the final cool-down phase of formulation.

Conflicts

  • Highly acidic environments (pH < 5)
  • Highly alkaline environments (pH > 7.5)

Safety

CIR Status
Not reviewed
Max tested
20%
Sensitization risk Low

Although not formally reviewed by the CIR, it is listed on the IFRA Transparency List and recognized by the SCCS as a fragrance material. Typical skincare concentrations are usually below 1%.


Your Skin

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

Our Assessment

Optional

As a fragrance ingredient with no active benefits, Amylcyclopentanone offers a pleasant scent but is not crucial for precision skincare formulations.


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References