“…Colloidal particles and certain proteins are extremely efficient in creating mechanically resistant surface layers to stop coalescence and coarsening all together (Gonzenbach et al, 2006;Salonen et al, 2016;Stocco et al, 2011;Tcholakova et al, 2008Tcholakova et al, , 2017. Particles can also gel or get stuck in the foam structure to block drainage (Bey et al, 2017;Guillermic et al, 2009;Haffner et al, 2014;Khidas et al, 2014;Louvet et al, 2010).…”