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Aldehydes - a multifaceted family
When you look up descriptions of different perfumes, you often encounter Aldehydes in the ingredient list, but did you know that this can mean completely different characters depending on which aldehyde is used?
What is an Aldehyde?
Think of them as a kind of 'rocket fuel' that gives a lift to the first impression of a fragrance: they are like the bubbles in champagne and have the power to make a perfume really sparkle and crackle. Aldehydes can be found in natural materials - such as rose, citronella, cinnamon bark, and orange peel - but they are also a family of synthetic chemicals that are formed (here comes the scientific part) by the partial oxidation of primary alcohols and are classified based on the number of carbon atoms they contain.
Meet the Family
Aldehydes form a diverse family and although all aldehydes share a common molecular structure, their subtle variations in composition result in distinct olfactory properties. From the bright and citrusy tones of citrus aldehydes to the soft and powdery nuances of floral aldehydes, each type offers a unique olfactory experience.
Let's explore some of the different types of aldehydes and how they differ:
1. Citrus Aldehydes:
Bright and refreshing - citrus aldehydes infuse fragrances with a fresh and sparkling character reminiscent of citrus groves bathed in sunlight.
Commonly found in citrus-based perfumes, these aldehydes add a lively and invigorating quality to the fragrance composition.
2. Floral Aldehydes:
Delicate and sophisticated - floral aldehydes emit the soft and powdery scent of freshly blossomed flowers.
Often used as top notes in floral fragrances, they contribute a subtle sweetness and elegance to the composition. (The classic Chanel N° 5 was the real catalyst for the popularity of aldehydes)
3. Fatty Aldehydes:
Rich and creamy - fatty aldehydes evoke the comforting scent of warm pastries and creamy desserts.
Frequently used in gourmand perfumes, these aldehydes impart a cozy and luxurious feel to the fragrance experience.
4. Green Aldehydes:
Fresh and crisp - green aldehydes give off the fresh and moist scent of lush green leaves.
Found in many green and herbal fragrances, they add a natural and invigorating aspect to the scent.
5. Metallic Aldehydes:
C-12, also called Lauric Aldehyde, imparts a metallic freshness.
Fantastic for masculine scents but also adds a nice sharpness to floral compositions.
