- CAS number
- 107-75-5
- IFRA Standard status
- Concentration restricted
- Products
- 5
Last updated · 25-05-2026Record completeness90%
The information here describes the ingredient in general. Its possible sources may vary and do not necessarily show the origin or form used in a particular YUMA product. For product-specific information, check the relevant product page.
Description
Hydroxycitronellal is a fragrance ingredient derived from citronella oil, which is extracted from the Australian tea tree. It imparts a characteristic floral and slightly waxy scent to cosmetics and scented products. Beyond its aromatic properties, citronella oil is known for its mosquito-repellent action, making it ideal for summer applications. In perfumery, hydroxycitronellal is highly valued for its ability to enhance and impart fresh floral notes to complex fragrance creations, contributing to a sense of freshness and cleanliness.
Reported natural sources
White PepperTea Tree
Additional information
- Citronella oil, the source of hydroxycitronellal, is a traditional natural mosquito repellent used for centuries, making it ideal for summer.
- Hydroxycitronellal is an extremely well-tolerated fragrance ingredient, with 98.3% of people in studies showing no reaction.
- The Australian tea tree, the source of citronella oil, is endemic to Australia and has been valued for its beneficial properties by indigenous peoples for millennia.
CAS number
107-75-5
Other names
7-Hydroxy-3,7-dimethyloctanalOctanal, 7-hydroxy-3,7-dimethylOxdihydrocitronellal7-hydroxy-3,7-dimethyloctanalLily aldehydeLaurinalMuguet syntheticOxydihydrocitronellalLaurineCitronellal hydrateHidroxycitronellal
Linked YUMA products
IFRA Standard status
The IFRA Standards form an industry self-regulatory system. They may prohibit or restrict the use of particular fragrance ingredients, or set specifications, according to end use. The status below reflects the IFRA data recorded for this ingredient. It is not a product certification and does not replace applicable law or assessment of the finished product.
Concentration restricted (R)
Related IFRA documentIFRA restrictions by category
IFRA categories group end uses by the type and level of exposure. A restriction or maximum concentration applies only to the stated category and does not automatically apply to another use. Check the related IFRA document for the applicable Standard version and its full conditions.
- 1. Lip products and children's toysMax concentration0.38%
- 2. Deodorants and antiperspirantsMax concentration0.11%
- 3. Face cosmetics and masksMax concentration2.3%
Regulatory information
Hydroxycitronellal has been thoroughly evaluated as a fragrance ingredient. European Union scientific bodies have recognized it as a potential skin sensitizer, meaning it may cause skin reactions (such as redness, rashes, or itching). The Research Institute for Fragrance Materials (RIFM) has characterized it as a weak skin sensitizer. The International Fragrance Association (IFRA) has established standards for its acceptable concentrations in consumer products. In an extensive study, 98.3% of participants reported no reaction to hydroxycitronellal.
