Is this the start of a sexual health revolution? Meet the London mums behind a new app for polyamorists

Giorgia di Mattos and Bianca Dunn have launched a new app called Zults to help people in open relationships look after their sexual health. Emma Loffhagen meets them

 Giorgia di Mattos and Bianca Dunn have launched a new app called Zults to help people in open relationships look after their sexual health. Emma Loffhagen meets them Lifestyle