Author K. von Nessen, F. Weiher, M. Neubauer
Journal Edition sofw journal 5-2020

Abstract

Natural origin, safety and sustainability range among the top trends in home care. This includes the preservatives used in such formulations. Consumers are becoming increasingly aware of the potential allergenic and sensitising properties of common active substances. Regulatory bodies are reacting to new scientific evidence and restricting the application of these ingredients. Here, we present L(+)-lactic acid as a viable alternative to synthetic and hazardous preservatives. We demonstrate its efficacy in simple aqueous surfactant solutions and typical home care formulations including softener, surface cleaner and hand dish wash detergent.

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