The differences are the amount or the concentration of oils that are in the scents. The higher the concentration of oils, the longer your scent will last, and the less you should need to apply. Are all of your products genuine?.
MAYFAIR TRAMP 100ML COLOGNE SPRAY BRAND NEW
Mayfair Pure Silk Eau de Cologne EDC
Disney 101 Dalmatians & Aristocats Eau De Toilette Natural Perfume - Long-Lasting EDT Perfume for Kids and Adults - Playful and Vibrant Scent - Best Gift for Children, 50ml
Biolane eau de toilette spray - 200 ml - set of 2
Marvel Spiderman Eau de Toilette Natural Perfume Spray, Vegan and Dermatologically tested EDT Spray for Kids, 100ml
4711 Original Eau de Cologne Splash - 100 ml