The interaction of these natural ingredients with sunlight and other UV rays leads to changes in color inside the bottle after the manufacturing process as well. These secondary metabolites are what are usually used in natural perfume ingredients. If we delve deeper, as per The Chemistry of Fragrances issued by the Royal Society of Chemistry, UK: There are certain types of secondary metabolites created (such as certain types of terpenoids, shikimic acid derivatives, and polyketides) due to the chemical reaction of the flowers to light. And these reactions have taken millennia to perfect in the natural world! This photochemistry gives it the color and fragrance that it has. As light interacts with the flower, it kickstarts a natural metabolic phenomenon natural metabolic phenomena – biosynthesis. For example, flowers have a distinct scent and color to attract the right type of birds and bees for them to pollinate. Light – whether it is ambient, sunlight or ultraviolet – will trigger a photochemical reaction in highly volatile compounds such as fragrances. Change of Perfume Color Due To Biosynthesis: Let’s take a look at each of the factors in detail below – 1. In this article, I’ll not only share with you more details about these factors, but I will also provide you with tips on what you can do to keep your perfume safe! So, let’s get to it! Factors that Influence Perfume ColorĪs mentioned above, there are 3 key reasons for perfume to change color. These molecules instantly begin to oxidize, diluting and discoloring the scent over time. Even interaction with oxygen triggers the release of these highly volatile fragrance molecules. Fragrance molecules begin to oxidize, dilute and even discolor over time due to these three factors.Įxposure to UV rays and extreme heat (~45.0 ± 2.0☌) can cause perfume to break down and change its color composition. There are three primary reasons why perfume changes color: photochemistry of the fragrance ingredients due to the interaction with light, extreme changes in temperature, and exposure to air. It became oily! Initially, I wondered if it was a fake, and then as I researched a bit more and since then the subject has actually quite amused me. Have you ever noticed your beautiful golden-hued perfume change color? I have! It was a delicious straw-golden and then it started darkening.
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