Methyl 2-Octynoate ●
TL;DR. This ingredient is used as a fragrance material, adding strong green, violet-leaf, cucumber-like notes at very low levels. It functions for scent character rather than skin benefit or formula preservation.
What does Methyl 2-Octynoate do in a cosmetic formula?
This ingredient is used as a fragrance material, adding strong green, violet-leaf, cucumber-like notes at very low levels. It functions for scent character rather than skin benefit or formula preservation.
Is Methyl 2-Octynoate clean?
From a clean beauty perspective, it has friction because it is a recognized fragrance allergen in EU labeling rules and is limited by IFRA due to sensitization potential. It is acceptable in some fragrance systems when used within limits, but it is not considered an especially low-concern scent component.
Is Methyl 2-Octynoate sustainable?
This material is typically made through synthetic chemistry rather than broad agricultural sourcing, so its renewable-feedstock profile is limited. It is used at trace levels, and it is not usually discussed as a major persistence or bioaccumulation concern in finished rinse-off or leave-on products.
Is Methyl 2-Octynoate COSMOS-approved?
In its usual synthetic aroma-chemical form, this ingredient is not aligned with COSMOS-natural or COSMOS-organic fragrance requirements. It would only fit more comfortably if sourced and processed as part of a compliant natural fragrance system, and its sensitization limits still matter.
How does Methyl 2-Octynoate work chemically?
The molecule is a small unsaturated ester with an alkyne group, which gives it high odor impact and explains why formulas use it in very low fragrance concentrations. Like many potent aroma materials, it needs careful dose control, stability review in the full perfume concentrate, and compliance checks for leave-on versus rinse-off exposure.
Last updated 2026-05-13