But they are popular in cooler regions, where some of her customers do business. She has to pay attention to quality control issues, such as expiry dates. Some big companies like to dump expired goods on unsuspecting Third World countries. Tanzanians became sensitized to the issue after a government controversy over the import of outdated rice and cornmeal. With hair products, freshness is important.
Customers immediately look at the bottom of the container to make sure the product is still good.