Cologne (Eau de Cologne): Light, refreshing, and ideal for daily use with a lower concentration of aromatic compounds.
Perfume (Parfum): Highest concentration of fragrance oils; lasts the longest and is often reserved for special occasions.
Eau de Toilette: Moderate concentration; popular for everyday wear.
Eau de Parfum: Higher oil concentration than eau de toilette; longer-lasting and more noticeable.
Extrait de Parfum: The purest form of fragrance, delivering intense, long-lasting aroma.