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?.
2 x Hugo Boss HUGO JUST DIFFERENT Eau de Toilette 75ml *** please read
Hugo Boss Hugo Boss The Scent Le Parfum 50ml Spray
Hugo Boss HUGO INTENSE 125ml (4.2 Fl.oz) Eau De Parfum For Men NEW & SEALED
Hugo Boss Hugo Man 200ml EDT Spray Retail Boxed
Hugo Boss - Hugo Extreme Eau de Parfum 75ml Spray For Him - NEW. Men's EDP
Hugo Boss Hugo Man Eau de Toilette 75ml – Fresh Aromatic Green Men’s Fragrance