Fragrance ingredient reference pages
Spicy · Balsamic Phenethyl isothiocyanate CAS 2257-09-02 Origin synthetic Note Top to Heart IFRA Use with awareness Data as of: Apr 2026 What Is Phenethyl isothiocyanate? Phenethyl isothiocyanate is a synthetic compound used in specialty fragrances and flavorings. It’s found in trace amounts in some cruciferous vegetables like mustard and horseradish. This ingredient matters because…
Green · Spicy Peppermint oil, terpenes CAS 68608-37-7 Origin natural Note Top IFRA Use with awareness Data as of: Apr 2026 What Is Peppermint oil, terpenes? Peppermint oil terpenes are the aromatic compounds that give peppermint its signature cooling, fresh scent. They’re commonly found in chewing gum, toothpaste, and aromatherapy products. These terpenes create the…
Spicy · Woody Pepper, black, oleoresin CAS 8002-56-0 Origin natural Note Top to Middle IFRA Use with awareness Data as of: Apr 2026 What Is Pepper, black, oleoresin? Black pepper oleoresin is a concentrated extract from black peppercorns, capturing both the spicy aroma and pungent flavor. You’ll find it in bold masculine fragrances, spicy gourmand…
Green · Spicy Pennyroyal oil, terpenes CAS 68917-60-2 Origin natural Note Top IFRA Professional use Data as of: Apr 2026 What Is Pennyroyal oil, terpenes? Pennyroyal oil is a potent essential oil derived from Mentha pulegium, a mint family plant. It’s historically used in folk remedies and as a fragrance component, though modern use is…
Floral · Sweet Orange blossoms absolute CAS 8030-28-2 Origin natural Note Heart IFRA Use with awareness Data as of: Apr 2026 What Is Orange blossoms absolute? Orange blossom absolute is a luxurious floral extract derived from the fragrant white flowers of bitter orange trees. You’ll encounter it in high-end perfumes, Mediterranean desserts like orange blossom…
Balsamic · Woody Methyl p-hydroxybenzoate CAS 99-76-3 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is Methyl p-hydroxybenzoate? Methyl p-hydroxybenzoate is a synthetic preservative commonly found in cosmetics, pharmaceuticals, and some food products. It prevents microbial growth, extending shelf life. While effective at low concentrations, some individuals may experience…
Sweet · Floral Methyl o-methoxybenzoate CAS 606-45-1 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is Methyl o-methoxybenzoate? Methyl o-methoxybenzoate is a synthetic fragrance ingredient that adds a sweet, floral nuance to perfumes and scented products. You’ll find it enhancing floral bouquets in fine fragrances and personal care items. This…
Sweet · Woody Methyl 2-pyrrolyl ketone CAS 1072-83-9 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is Methyl 2-pyrrolyl ketone? Methyl 2-pyrrolyl ketone is a synthetic fragrance ingredient with a unique, nutty, and slightly roasted aroma. You might encounter it in gourmand perfumes, coffee-flavored products, or specialty food aromas….
Sweet · Floral Isoeugenyl phenylacetate CAS 120-24-1 Origin synthetic Note Heart to base IFRA Use with awareness Data as of: Apr 2026 What Is Isoeugenyl phenylacetate? Isoeugenyl phenylacetate is a synthetic fragrance ingredient used to add warm, spicy floral notes to perfumes and scented products. You’ll find it in everything from fine fragrances to candles…
Sweet · Balsamic Hexanoic acid, 4-methyl- CAS 1561-11-1 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is Hexanoic acid, 4-methyl-? Hexanoic acid, 4-methyl- is a synthetic fragrance ingredient used to add fruity, cheesy, or waxy notes to perfumes and flavored products. You might encounter it in tropical fruit fragrances or…
