Performance basics
Does rubbing wrists affect perfume
Rubbing wrists is not necessary for a useful perfume trial. Follow the product's application directions and let the fragrance develop without adding an extra handling step, especially when you want to compare candidates consistently.
A HUME Fragrance buying guide

Keep the method consistent
Rubbing spreads the application and changes how you handle the product. Avoid changing that variable between trials and then attributing every difference to the formula.
Avoid dramatic chemical claims
Do not assume an everyday application gesture proves that perfume molecules were destroyed or a fragrance was ruined. Record the experience rather than repeating an unsupported explanation.
Use the exact directions
A spray, roller and balm have different application methods. Do not turn advice for one format into an instruction for every finished product.
Try this before you buy
Use the maker's method consistently during a comparison rather than adding an unrecorded rubbing step.