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When we humans appeared on the evolutionary stepladder, we had much stronger sense of smell. In time we lost a larger part of it because it wasn't necessary. Here you can read more facts about sense of smell and other interesting facts about scents.
Pleasant fragrances were popular, in some form or other, since the prehistory. They are still popular and the most popular form of a nice odor is perfume. Learn some facts about perfume here.
Perfumes are made to smell nicely. We use them daily. But how safe are they for everyday use? Are they tested so they don't harm us? Read about perfume health effects and information about perfume allergies and even intolerance.
There are thousands and thousands perfumes in the world today and to help the general consumer to choose a perfume a few methods of perfume classification and description are invented.