Werner & Mertz was the first mid-tier company to join the A.I.S.E. Charter for Sustainable Cleaning in 2005. This seal shows consumers at a glance that the product was developed and manufactured in accordance with sound sustainability practices. Special attention is paid to consumer friendly and safe use.

In their pursuit of sustainability, companies strike a balance between ecological, economical and social aspects such as consumer safety, environmental protection, innovation and more. Member companies in the A.I.S.E. Charter for Sustainable Cleaning are subject to independent checks of whether they satisfy sustainability criteria along the entire life cycle of their products.