Saffron is the most expensive spice in the world that commonly known as the "saffron crocus". Saffron is extremely subtle and fragrant. In foods, saffron is used as a spice, yellow food coloring, and as a flavoring agent. here are the benefits of saffron: 1.best Antioxidant 2.good for mood 3.anti-cancer 4.reduce PMS symptoms 5.use for weight loss 6.good for heart 7.good for Alzheimer Some people apply saffron directly to the scalp for baldness. How should I use it? Grind 2 tsp. saffron threads, along with a sugar cube or a pinch of coarse salt, to a powder with a mortar and pestle or a spice mill to draw out the most flavor and color. Then add ¼ cup warm water and let cool. Where do I buy it? you can buy the best persian saffron from amazon or grocery stores.