“Nowadays it must be hard to be a preservative. Every formulator needs you but no one wants you.” says Dr Carsten Dietz, technical expert in sustainable preserving systems. Over the past decade, preservatives have been the subject of much controversial discussion and thus came to the attention of the public: many magazines and rating sites started talking about this contentious topic.
The story of preservation is an old one and still holds many pitfalls. On one hand consumers would like to have a long shelf life for the cosmetic products they purchase, but on the other many have negative feelings towards preservatives. This makes it difficult sometimes for formulators to find the right choice which must agree with what they stand for, their marketing strategy and their brand image. The good news is that there are several solutions already in existence, and this article will introduce you to suitable options and also to the challenges one might face during the p