For the first time, an Australian regulator is proposing to regulate nanomaterials used in hundreds of cosmetics, sunscreens, clothes, paints and industrial chemicals. NICNAS wants to hear what you think about its plans to manage the health and environmental risks of nanoparticles. Please make a submission to support precautionary action. We have included some dot points below for you to consider making in your submission. Submissions need to be sent to Nicola.Hall[@] by 5pm Friday 12 February.