A perfume expert must tell the difference among nineteen thousand different smells. Most of these smells are from chemicals, they are not from real flowers. For a very good perfume today, the expert mixes more than a hundred ingredients. Perfume has other uses too. Plastic that smells like leather is just one example. Also, scientists are finding that some smells make us feel better. They help us to relax, to sleep, or to feel happier. Scientists found that the smell of apples with spices can make our blood pressure go down. In the future, we may use perfume in a completely different way. Perfumes we see in the stores have names of famous designers like Gucci or Chanel on them. Some perfumes even have names of movie stars on them. People buy perfumes not just for the smell, but also for the name