Hexylcinnamal

TL;DR. This ingredient is used primarily as a fragrance component, adding a warm, floral, jasmine-like scent profile to perfumes, skin care, hair care, and body products.

What does Hexylcinnamal do in a cosmetic formula?

This ingredient is used primarily as a fragrance component, adding a warm, floral, jasmine-like scent profile to perfumes, skin care, hair care, and body products.

Is Hexylcinnamal clean?

From a clean-beauty perspective, it has friction because it is a recognized fragrance allergen and must be disclosed on EU labels above 0.001% in leave-on products and 0.01% in rinse-off products. It is acceptable in many formulas when used within IFRA limits, but it is not considered an especially low-sensitization fragrance choice.

Is Hexylcinnamal sustainable?

This material is usually synthetically produced, commonly from petrochemical or mixed feedstocks, though the scent profile can be nature-identical. It is expected to biodegrade better than persistent silicone or fluorinated materials, but fragrance chemicals can still carry aquatic-toxicity and wastewater-screening considerations depending on concentration.

Is Hexylcinnamal COSMOS-approved?

This ingredient has limited COSMOS alignment as a standalone synthetic aroma molecule, and it is generally compatible only when present within a COSMOS-compliant natural fragrance system that meets the standard’s fragrance rules. Its Green Chemistry profile is mixed, with efficient low-dose performance but weaker renewable-feedstock alignment in common supply chains.

How does Hexylcinnamal work chemically?

The molecule is an aromatic aldehyde with a hydrophobic side chain, which gives it strong substantivity and odor impact at very low fragrance-use levels. Aldehydes can be sensitive to oxidation and may need antioxidant support or careful fragrance compounding, especially in formulas exposed to air, heat, or high pH.

Last updated 2026-08-29