Roslyn ‘Roz’ Campbell says the Tsuno story started after learning about the toxic chemicals used in manufacturing processes of conventional pads and tampons. The timing also coincided with reading about the charity 'One Girl' and their experience funding scholarships for girls in developing countries. The girls would eagerly begin classes, only to miss a week every month because they had no way to deal with their periods other than ineffective methods like rags, leaves and old newspapers. 'One Girl' began providing menstrual support along with the scholarships, and Roz began thinking of ways to help. Crowdfunding $40,000, she ordered a shipping container of ecofriendly bamboo fibre sanitary pads and began selling them under the Tsuno label, donating half her profits to One Girl and similar charities.