Maybe this could be an nice gift for your mother? The perfume oil concentration in eau de cologne is just two to four percent, generally speaking.
Perfumes Club
Agua De Colonia Concentrada eau fraîche eau de cologne spray 150 ml
ShopBetter24
Women's Perfume Alvarez Gomez Agua de Colonia Concentrada 150 ml
Shopaide
Women's Perfume Alvarez Gomez Agua de Colonia Concentrada 150 ml