Umbala wemochromicZenziwe ngee-capsules ezincinci ezitshintsha umbala ziphinde zibuye. Xa ubushushu buphakanyiselwa kubushushu obuchaziweyo i-pigment isuka kwimbala iye kumbala (okanye ukusuka komnye umbala uye komnye umbala). Umbala ubuyela kumbala wokuqala njengoko i-pigment ipholile.