Kesar or saffron is considered one of the world's most expensive spices.It holds medicinal properties which can help in clearing up acne prone skin. In foods, saffron is used as a spice, yellow food coloring, and as a flavoring agent. In manufacturing, saffron extracts are used as fragrance in perfumes and as a dye for cloth., decrease swelling, and act like antioxidants.Some people apply saffron directly to the scalp for baldness (alopecia).Saffron comes from stigmas that grow from the Crocus flower, It is picked and dried. The world's most precious spice, saffron imparts a beautiful color, sweet aroma and distinct taste to Mediterranean, Arabian, and Indian recipes. Use it in grain, fish, and egg dishes, salads and dressings, breads and sauces.