In daily life, many people like to spray some perfume before going out. Both men and women start to buy it. Perfume is a way of life, a means or a tool to pretend to be a beautiful life.

For example, if someone has a strong smell of sweat, you can cover it up with perfume, which is also a courtesy. Some people use perfume to improve their taste and improve their self-confidence. So that in some important public occasions can be more decent self-expression. achieve a multiplier effect.

Another example is that by sending perfume to each other, lovers can express their feelings and express their taste. to deepen the feelings.

Plus, some people just like it, purely as a collection as a hobby.

Of course, perfume can also provide us with some help to soothe our emotions and reduce stress.

In short, perfume is only a manifestation of social progress, a luxury, not a necessity of life. It represents a way of life, reflecting personal taste.

Many people buy it just because they like the smell, but they don't have much research on perfume. As a result, an expensive bottle of perfume is not properly stored and finally exerts its maximum value, such as long-term strong light exposure. Due to the strong spotlight for a long time, the smell will also change, so sometimes it happens that the smell of the store is different from that of the formal dress that you bought. The second is the odor difference brought about by changes in temperature, especially for some fragrances with unstable ingredients.

Secondly, the same perfume has different tastes when used on different people, mainly due to the following three reasons: 1. Differences caused by the production process. Perfume is a mass-produced product, and it is normal for there to be fluctuations in quality.

2. Use the difference in the composition of natural essential oils. Almost all perfumes now contain natural ingredients and synthetic ingredients. The latter is a mixture of several specific chemical substances. As long as the purity of the chemical substances is guaranteed, the products produced are the same, and the quality is easy to control. However, natural ingredients are not easy to manage. After all, each plant has individual differences, and the extracted essential oils will not be exactly the same. Of course, the taste of the perfume will be different. Occasionally, due to climate, the essential oils produced in different years or months will also vary. Therefore, in order to make products that can stably meet customer requirements, many perfume brands will slightly modify the formula when the natural ingredients are changed, or even use the new formula completely, so as to achieve the situation that the taste is closest to the original perfume.

3. Perfume storage. Chemical substances in perfume are oxidized at any time. Factors such as storage time, temperature, humidity, light, etc. will affect the composition of perfume, so it will also cause differences in smell.

So do perfumes have an expiration date?Perfume generally can be stored at room temperature for about a year. If you notice that the fragrance has faded, or has a sour smell, you should throw it away.