Sustainable Period Product Scheme (IMAGE) Cell Press Caption How your department can implement a Sustainable Period Product Scheme in five steps. Credit Trends in Chemistry, Gardner et al. Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.