When you buy from a "Top Brands" store you're either directly buying from the brand itself or from an authorized reseller. Aliexpress - Vanillalime

Khalesex - Exclusive online shop for top end manufacturers (also have own brand)

Khalesex's Shop offers products like any other shop in the market. But, in this shop an item lasts longer (Khalesex work with different and more expensive manufacturers). In addition, they have their own made products. These are top quality international products which you will pay much much more for in a retail setting.