Coumarin
Aromatic
A sweet, vanilla-like aroma ingredient for fragrances.
APPLICATIONS
PerfumesFragrances
DESCRIPTION
Coumarin: a sweet, vanilla-like aroma ingredient for fragrances. Used in perfumes and fragrances.
Practical formulation guide
Usage level: Suggested formulation range: 0.3–1 % in creams and lotions; 0.5–1.5 % in shampoo, body wash and liquid soap; 1–3 % in glycerin soap; 8–20 % in alcohol-based perfumes and body mists; always within the IFRA limit for the product category.
How to use and incorporate: Add at the end of the process with the base below 40 °C/104 °F and gentle stirring until uniform. For toners, splashes or clear water-based products, premix with a solubilizer (polysorbate 20 or PEG-40 hydrogenated castor oil, 1:3 to 1:5) before adding.
Formulation tips:
- Run an odor and color test in the final base: some fragrances turn yellow with light or in alkaline bases (soap) and can change the viscosity of shampoos and gels; adjust viscosity after adding fragrance.
- Declare fragrance allergens on the label when required by the regulations of the destination market; request the fragrance's IFRA certificate.
- Before scaling up, make a pilot batch and run a stability test (cycles at 4 / 25 / 45 °C/39 / 77 / 113 °F for 4 weeks, checking odor, color, pH, viscosity and separation) in the final packaging.
Compatibility: Soluble in alcohol, oils and esters; water-based systems require a solubilizer. Compatible with most cosmetic bases; check stability in bases with extreme pH.
Storage: Store in a tightly closed container, in a cool, dry place, protected from light.
Precautions: Do not ingest. Avoid direct contact with eyes and mucous membranes. Concentrated product for formulation: do not apply undiluted to the skin. Flammable: keep away from flames.
Technical information for formulators: This sheet describes industrial uses of the raw material in the development of cosmetic products. It is not an efficacy claim for any finished product. The person responsible for the formulation must validate the concentration, compatibility and claims of their product in accordance with applicable regulations.
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