Back to Ingredient Dictionary

TRIMETHYL-3-NONENOL

Description

Trimethyl-3-nonenol is a synthetic fragrance ingredient commonly used in skincare and personal care products. This clear, colorless liquid possesses a fresh, floral scent with subtle green and citrus undertones. Its molecular structure allows for good stability in various formulations, making it a versatile choice for perfumers and cosmetic chemists.

In skincare applications, trimethyl-3-nonenol serves primarily as a masking agent, helping to neutralize unpleasant odors that may arise from other active ingredients. Its low molecular weight enables it to disperse evenly throughout products, ensuring consistent fragrance distribution. While not an active skincare ingredient itself, it contributes to the overall sensory experience of products, potentially improving user compliance and satisfaction.

It's important to note that trimethyl-3-nonenol, like many fragrance components, may cause skin sensitization in some individuals. Formulators typically use it in concentrations below 1% to minimize potential adverse reactions. As with all fragrance ingredients, patch testing is recommended for those with sensitive skin or a history of allergic reactions to cosmetic products. When used appropriately, trimethyl-3-nonenol can enhance the olfactory profile of skincare formulations without compromising their primary functions.