The Nose Knows
What’s the difference between eau de parfum and eau de toilette? Well, here’s the deal: The different names indicate the concentration of aromatic compounds (meaning the scented particles suspended in oil) within the solvent (ethanol, water, or most likely a combination of these). Eau de parfum (EDP) typically contains somewhere between 10-20% (depending on the perfume house) aromatic compounds and contains more ethanol than water solvent. Eau de toilette (EDT) contains less aromatic compounds than EDP