I filmed a video showing how to spot clean my makeup brushes and how to deep clean my makeup brushes and both methods involve products I've been using for ages now.
Spot cleaning my brushes, particularly my eyeshadow brushes, is a doddle thanks to the Ella & Jo Squeaky Clean Brush Cleanser (€20) and I'm on my third bottle now, such is my love for it.
It works really well on my flat eyeshadow brushes, pencil brushes and fluffy brushes and my experience is that generally, I need to give each brush one or two rounds of it.
For more stained brushes like you'll see in the video below, I need to give each brush a third go, just so it's properly clean because lads if I'm going to the effort of cleaning the brushes