“…Within the last decade, aluminum (Al)-containing nanomaterials (NMs) have been widely used not only for industrial applications, but also in consumer products, due to their higher reactivity compared to the bulk form [1,2,3,4]. Forms of Al, both in the micro-and the nano-size, are present in food and consumer products [1,5] due to their use as rming, anticaking, neutralizing, emulsifying and texturizing agents, as well as for cooking tools [6], waste water treatment [7,8] and in medical and hygiene products such as toothpaste [9,10,11]. Nevertheless, their potential toxicity has not been fully evaluated, leading to major concerns from consumers and public health agencies [12].…”