Winnie Awa says to boost her sales, she had to understand her customers' haircare problems.
Do men in Tanzania want women to pursue their dreams?
As part of a series of reports from Tanzania, Alan Kasujja visited the Ndohub which runs a programme to support women setting up their own businesses.
Efrazia Foka and Witness Kamugisha are both developing beauty products and are confident that their ideas will succeed with the help of the scheme.
But how do they feel about the support and attitudes of men in Tanzania, towards women in business? Alan asked them what men saw as a woman's role...
(Photo: Efrazia Foka and Witness Kamugisha. Credit: BBC)