All our perfumes are undiluted and is of highest grade and quality. You will experience authentic, genuine and pleasing perfume notes with a long-lasting fragrance (6 hours and more) of all our attars and perfume oils. Our Perfumes/attars are Pure and without alcohol. Perfume oils are fragrance components, natural or synthetic, in an oily base rather than an alcohol base, and can be used directly on points or cloth. Unlike spray fragrances, perfume oils that we sell are alcohol-free, so they tend to be highly concentrated and longer lasting. Expect 3ml and 6ml Roller ball perfume/attar oil to lasts for more than 1 to 2 months of regular usage respectively.