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?.
Dior Miss Dior Blooming Bouquet Eau De Toilette 100ml Spray New & Sealed UK
Dior Miss Dior Blooming Bouquet Eau de Toilette Spray 100 ml MPN C099700102
Dior Miss Dior Blooming Bouquet Eau de Toilette Travel Size 5ml Spray
Penhaligon's Daphne Bouquet Eau de Parfum 100ml New and Sealed (RRP £180)
Guerlain Mon Guerlain Sparkling Bouquet Eau De Parfum 30ml Spray for Her