Concentration is not the whole story
Eau de toilette (5–15% fragrance oil) is lighter and shorter-lived; eau de parfum (15–20%) lasts longer and projects more. Neither is "better" — a bright citrus EDT for daytime and a warm EDP for evening is a classic two-bottle wardrobe.
Learn the families, not the marketing
Most perfumes fall into a few families: fresh (citrus, aquatic), floral, oriental/amber (vanilla, spice, resin) and woody (cedar, sandalwood, vetiver). Knowing which families you enjoy narrows hundreds of bottles to a shortlist.
Top, heart and base notes
The spray you smell in the first ten minutes is the top note — and it is not what you will smell all day. The heart appears within the hour, and the base is what lingers on your skin and clothes. Never judge a perfume by the first spray.
Test on skin, decide the next day
Paper strips are for narrowing down; skin is for deciding. Spray one fragrance per wrist, wear it through a full day, and notice how it develops and how often you catch yourself enjoying it. Blind buying based on notes lists is how regret bottles happen.
Make it last longer
Apply to moisturized skin right after a shower, on pulse points that stay warm. Fragrance clings to fabric longer than skin — a light spray on a scarf carries a scent all day. Store bottles away from heat and sunlight.
Buy small first
A 30ml bottle or a discovery set beats a 100ml commitment. Most people finish few bottles — variety wears better than volume.