What are the disadvantages of alcohol in perfume?

A Perfume is an alcoholic solution of aromatic compounds, that is, blends of fragrant materials. These materials, extracted from plants are called essential oils and generally have a characteristic pleasant smell. To produce odorous compounds with smells not found in nature, many chemicals are synthesized from compounds obtained from petroleum distillates, pine resins or cheap organic feedstock. Then fixative is added, which sustain equal evaporation rate for all components.