Natural fragrances, primarily derived from essential oils, have been used for centuries in various cultures for their aromatic and therapeutic properties. In modern skincare, they serve as an alternative to synthetic fragrances, appealing to consumers seeking more natural product formulations. These fragrances are complex mixtures of volatile organic compounds extracted from plants, including terpenes, alcohols, aldehydes, and esters [1].

The efficacy of natural fragrances in skincare extends beyond mere olfactory pleasure. Studies have shown that certain essential oils possess antimicrobial, anti-inflammatory, and antioxidant properties, which can benefit skin health [2]. For instance, lavender oil has been found to have anti-inflammatory effects, while tea tree oil exhibits antimicrobial activity against various skin pathogens [3].

However, it's important to note that natural fragrances are not without potential drawbacks. Some individuals may experience skin sensitization or allergic reactions to certain essential oils. A study by Bråred Christensson et al. (2016) found that 1.1% of patch-tested patients reacted to a fragrance mix of eight common essential oils [4]. Therefore, while natural fragrances offer many benefits, they should be used judiciously, especially in products intended for sensitive skin.