Alcohol also makes the fragrance emanate from your skin. Without alcohol, you would be the only person who knew you were wearing any fragrance at all. It is therefore the strongest fragrance available and being the strongest, lasts the longest, and one obviously has to use less of the product.
The "RALPH LAUREN ROMANCE 100ML EAU DE PARFUM SPRAY BRAND NEW & SEALED" would be an excellent fit for shoppers looking for a high-end, luxurious fragrance from a renowned designer.