It is impossible to describe a perfume according to its components because the formulas are kept secret. Even if the formulas are known, the ingredients are often too numerous to provide a useful classification. Cognoscenti can, however, generally get a handle on the principal ingredients. On the other hand, it is possible to group perfumes into olfactive families and describe them through the notes that appear as they slowly evaporate. Perfumes can also be classified according to their concentration.Olfactive familiesFragrances can be classified into several olfactive families, by the themes, or accords, of these fragrancesIt is impossible to describe a perfume according to its components because the formulas are kept secret. Even if the formulas are known, the ingredients are often too numerous to provide a useful classification. Cognoscenti can, however, generally get a handle on the principal ingredients. On the other hand, it is possible to group perfumes into olfactive families and describe them through the notes that appear as they slowly evaporate. Perfumes can also be classified according to their concentration.Olfactive familiesFragrances can be classified into several olfactive families, by the themes, or accords, of these fragrancesIt is impossible to describe a perfume according to its components because the formulas are kept secret. Even if the formulas are known, the ingredients are often too numerous to provide a useful classification. Cognoscenti can, however, generally get a handle on the principal ingredients. On the other hand, it is possible to group perfumes into olfactive families and describe them through the notes that appear as they slowly evaporate. Perfumes can also be classified according to their concentration.Olfactive familiesFragrances can be classified into several olfactive families, by the themes, or accords, of these fragrancesIt is impossible to describe a perfume according to its components because the formulas are kept secret. Even if the formulas are known, the ingredients are often too numerous to provide a useful classification. Cognoscenti can, however, generally get a handle on the principal ingredients. On the other hand, it is possible to group perfumes into olfactive families and describe them through the notes that appear as they slowly evaporate. Perfumes can also be classified according to their concentration.Olfactive familiesFragrances can be classified into several olfactive families, by the themes, or accords, of these fragrances