Fragrance ingredient reference pages
neutral Panthenol CAS 81-13-0 Origin synthetic Note IFRA Generally safe Data as of: Mar 2026 What Is Panthenol? Panthenol is a vitamin B5 derivative commonly found in skincare, haircare, and cosmetic products. It acts as a moisturizer and helps improve skin barrier function. While odorless itself, it’s valued in fragrances for its ability to modify…
neutral Allantoin CAS 97-59-6 Origin synthetic Note IFRA Generally safe Data as of: Mar 2026 What Is Allantoin? Allantoin is a synthetic compound commonly found in skincare and pharmaceutical products. It’s known for its soothing and moisturizing properties, often used in lotions, creams, and wound treatments. While odorless itself, it’s valued in perfumery for its…
neutral Glycolic Acid CAS 79-14-1 Origin synthetic Note IFRA Use with awareness Data as of: Mar 2026 What Is Glycolic Acid? Glycolic acid is a small organic acid primarily known for its use in skincare products like chemical peels and exfoliants. Though odorless, it plays a key role in cosmetic formulations. This ingredient matters because…
neutral Azelaic Acid CAS 123-99-9 Origin natural Note IFRA Generally safe Data as of: Mar 2026 What Is Azelaic Acid? Azelaic acid is a naturally occurring dicarboxylic acid found in wheat, rye, and barley. It’s commonly used in skincare for its antibacterial and anti-inflammatory properties. While not typically used for fragrance, it appears in some…
phenolic Salicylic Acid CAS 69-72-7 Origin synthetic Note IFRA Use with awareness Data as of: Mar 2026 What Is Salicylic Acid? Salicylic acid is a common ingredient in acne treatments, wart removers, and some anti-dandruff shampoos. While odorless in pure form, its derivatives create wintergreen-like aromas in fragrances. This molecule bridges skincare and perfumery, appearing…
neutral Niacinamide CAS 98-92-0 Origin synthetic Note IFRA Generally safe Data as of: Mar 2026 What Is Niacinamide? Niacinamide is a form of vitamin B3 found in skincare products and dietary supplements. It helps improve skin barrier function and reduce inflammation. This synthetic compound is odorless and widely used in cosmetics for its stability and…
neutral Retinol CAS 68-26-8 Origin synthetic Note IFRA Use with awareness Data as of: Mar 2026 What Is Retinol? Retinol is a synthetic form of vitamin A primarily found in skincare products, where it’s prized for its anti-aging benefits. While it has no significant fragrance role, it’s sometimes used in cosmetic formulations that combine skincare…
neutral Hyaluronic Acid CAS 9004-61-9 Origin natural Note IFRA Generally safe Data as of: Mar 2026 What Is Hyaluronic Acid? Hyaluronic acid is a naturally occurring sugar molecule found in human skin, joints, and connective tissues. It’s commonly used in skincare products for its moisture-binding properties. While odorless in fragrance applications, it’s valued as a…
neutral Squalane CAS 111-01-3 Origin natural Note IFRA Generally safe Data as of: Mar 2026 What Is Squalane? Squalane is a colorless, odorless oil originally derived from shark liver oil but now mostly plant-based. You’ll find it in moisturizers, serums, and luxury skincare for its silky texture. This ingredient matters because it mimics skin’s natural…
neutral Tocopherol CAS 59-02-9 Origin natural Note IFRA Generally safe Data as of: Mar 2026 What Is Tocopherol? Tocopherol is a form of vitamin E, commonly found in skincare products, dietary supplements, and some fortified foods. It acts as an antioxidant, protecting cells from damage. In fragrances, it’s used more for its stabilizing properties than…
