Formats and concentration
Perfume oil vs alcohol perfume
Perfume oil and alcohol-based perfume use different carrier systems, but that alone does not establish quality, naturalness or duration. Compare the exact compositions, intended use and application formats rather than assuming one is automatically superior.
A HUME Fragrance buying guide

Read the carrier information
An oil-based finished perfume is not the same thing as an undiluted essential oil. Look at the actual cosmetic product description and directions.
Keep application differences visible
A roller, dabber or spray can deliver different amounts. Equal-looking applications do not necessarily make a controlled comparison of concentration.
Judge personal fit directly
Check scent enjoyment, presence and how the product fits your routine. An oil carrier does not prove a formula is natural or suitable for every wearer.
Try this before you buy
Compare exact product names, stated carrier and instructions before drawing conclusions from oil versus alcohol.