Bisphenol-A (BPA) is a synthetic chemical employed in the production of plastics. Studies indicate that exposure to BPA might be linked to various health concerns. The term ‘BPA-free plastic’ is not regulated at this time. 

Disclaimer: We include the nuances! 
It was a deliberate choice to filter in the nuances. This means we don’t just include certified accreditation but also unregulated terms and commonly used jargon. We chose to do this in order to gain a more rounded picture of each brand, aiming to enhance the validity and reliability of our understanding of their ethical stance.