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METHYL-CYCLOHEXENYLIDENE-PENTANAL

Description

Methyl-cyclohexenylidene-pentanal, also known as Lyral, is a synthetic fragrance ingredient commonly used in skincare and personal care products. This colorless to pale yellow liquid possesses a fresh, floral scent reminiscent of lily of the valley. Its molecular structure consists of a cyclohexene ring with an attached aldehyde group, contributing to its unique olfactory properties.

In skincare formulations, methyl-cyclohexenylidene-pentanal serves primarily as a masking agent, helping to neutralize unpleasant odors associated with certain active ingredients. It is often incorporated into moisturizers, serums, and cleansers at low concentrations, typically ranging from 0.01% to 0.1%. While not an active skincare ingredient itself, it enhances the overall sensory experience of products.

However, methyl-cyclohexenylidene-pentanal has been identified as a potential allergen, particularly for individuals with sensitive skin. As a result, its use in cosmetic products within the European Union is restricted, with maximum allowed concentrations specified by regulations. Formulators should be aware of these limitations and consider alternative fragrance options for sensitive skin formulations. When used appropriately, methyl-cyclohexenylidene-pentanal can contribute to the olfactory appeal of skincare products without compromising their efficacy.