Wear-time guides
How long does roll on perfume last
A roll-on applicator does not determine how long the perfume lasts. Formula, carrier, application and conditions still matter, and the word roll-on does not prove the product is oil-based or alcohol-free.
A HUME Fragrance buying guide

Check the formulation separately
Read what the maker says is in the finished product and how it should be used. A familiar roller bottle does not establish an identical recipe across products.
Keep the trial consistent
Record the exact item and application without inventing a swipe-to-spray conversion. Compare your actual experience instead of claiming equal doses.
Separate quietness from disappearance
A close-range scent can be a different experience from a surrounding trail. Define the outcome you want before judging whether the product lasts long enough.
Try this before you buy
Record carrier information and later presence alongside the exact roll-on name, not just the number of swipes.