Examples of prevention
Henkel Belgium
Prevention action: 
Weight reduction
Product category: 
Detergents and cleaning products
Multipacks for toilet cleaning products (Bref Power Activ and Bref Duo Activ)

Optimisation by modifying the shape of the PET preformed shells so as to introduce two or even three 'blocks' by modifying the weight of the blister slightly if at all. This makes it possible to sell two or three product units. The weight is considerably less than with sales of mono-block products.