This souq, off Talaa Kebira, is one of the medina's oldest marketplaces. It's dominated by a huge graceful plane tree shading stalls selling ceramics and traditional cosmetics, including henna. This is a good place to come if you'd like to be talked through the fascinating array of natural products Moroccans routinely use – stall-holders are friendly and offer little hassle. The mohtassib (price-controller), now defunct, had his office here and you can still see his large scales.