Designing perfume is a combination of art and science, requiring perfumers to have a keen sense of smell, profound professional knowledge, and extensive practical experience. Here are some basic steps and guidelines to help professional perfumers design perfumes:

1. Determine the Theme and Target Audience of the Perfume

• Determine the perfume theme: What kind of perfume do you want to create? Is it a fresh citrus scent, a romantic floral scent, or a mysterious oriental scent?

• Identify the target audience: Before designing the perfume, consider the age, gender, lifestyle, and preferences of the target user group.

2. Understand and Choose Fragrances

• Basic classification: Fragrances are generally divided into natural and synthetic categories. Understanding the characteristics, scents, stability, and interactions of different fragrances is crucial.

• Learn about fragrance notes: Perfumers need to be familiar with various fragrance notes, such as woody, fruity, floral, etc., and understand how they can be combined.

3. Design the Structure of the Perfume

• Three levels: Perfumes usually consist of top, middle, and base notes. The top note is the initial scent detected, the middle note is the "heart" of the perfume, and the base note is the longest-lasting part of the perfume.

• Balance and harmony: Ensure that the transition between these three levels is natural and harmonious, without any abruptness.

4. Experiment and Blend

• Small-scale experiments: Begin with small-scale mixing experiments, recording the specific ratios and fragrances used in each formula.

• Repeated trials: Adjust the ratios and types of fragrances, continually experimenting until the most satisfactory formula is found.

5. Testing and Modification

• Internal testing: First, conduct olfactory tests within the team to evaluate the various attributes of the perfume.

• Consumer testing: Let the target consumer group try it out and collect their feedback, making modifications as necessary.

6. Finalize the Formula and Production

• Finalize the formula: After several rounds of testing and modification, finalize the perfume formula.

• Start production: Move on to the production stage, including stability testing of the perfume, packaging design, etc.

7. Continuous Research and Innovation

• Industry trends: Always pay attention to industry trends and changes in consumer preferences.

• Continuous learning: Learn new fragrance knowledge and perfuming techniques, and continue to innovate.

Becoming a professional perfumer requires a long period of learning and practice. Designing each perfume is a creative and challenging process, requiring the perfumer's passion, patience, and attention to detail.