How drugs leach out of your sweat (and can spoil your sofa)

Timothy L Brock/Unsplash Like all consumer products, sofas come with instructions for how best to use and maintain them. But it may surprise you that many furniture companies warn medicines can seep out of your sweat or body oils to damage your leather sofa. People who repair leather sofas warn about this too. They say this can lead to the leather fading, cracking or discolouring. So which medicines are they talking about? And how worried should you be about them damaging your…