Pentadecalactone

TL;DR. This ingredient is primarily a fragrance material, adding a soft musk-like scent and helping round out a perfume blend. It can also act as a long-lasting base note because it evaporates slowly from skin and product matrices.

What does Pentadecalactone do in a cosmetic formula?

This ingredient is primarily a fragrance material, adding a soft musk-like scent and helping round out a perfume blend. It can also act as a long-lasting base note because it evaporates slowly from skin and product matrices.

Is Pentadecalactone clean?

From a clean-beauty perspective, this is screened mainly because it is a fragrance component, a category often associated with sensitization questions and disclosure limits. It is generally viewed more favorably than older nitro or polycyclic musk materials when used within IFRA guidance.

Is Pentadecalactone sustainable?

This material is commonly produced synthetically, although related odor molecules can occur in natural sources. Its environmental profile is generally considered better than more persistent musk families, but sourcing route and biodegradation data matter for a full assessment.

Is Pentadecalactone COSMOS-approved?

It is not broadly aligned with COSMOS-organic or COSMOS-natural when supplied as a synthetic fragrance molecule. It may fit better only if sourced and processed as a compliant natural aromatic material, while Green Chemistry alignment depends on renewable feedstocks, efficient synthesis, and biodegradability data.

How does Pentadecalactone work chemically?

The molecule is a macrocyclic lactone, a large-ring ester structure that gives low volatility and a lingering odor profile. It is typically used at low fragrance-dosing levels, is oil-soluble, and can be sensitive to strong acid or alkaline conditions that promote ester hydrolysis.

Last updated 2026-05-13