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.
Historically, the term musk referred to a substance derived from the musk deer, but modern musky ingredients such as 3-methyl-5-cyclopentadecen-1-one are created synthetically, thereby protecting wildlife.
Musky ingredients act as fragrance fixatives in perfumery, helping other notes linger longer on the skin.
As a base note, 3-methyl-5-cyclopentadecen-1-one is among the last components to remain perceptible in a fragrance, often detectable up to 24 hours after application, whereas top notes evaporate within minutes.
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.
The safety of 3-methyl-5-cyclopentadecen-1-one has been evaluated by the Research Institute for Fragrance Materials (RIFM), with a peer-reviewed safety assessment published. It was found to have the potential for skin sensitization in a small percentage of individuals. This means that in a limited number of people, repeated contact may cause a temporary reaction, including skin redness, rash or itching.
To prevent sensitization, RIFM has established a maximum acceptable concentration for this ingredient, and the International Fragrance Association (IFRA) has issued a safe use standard for 3-methyl-5-cyclopentadecen-1-one in household and personal care products. Most individuals will not be affected, but if you have questions, consult a healthcare professional.