Your Make-Up brushes are your main tools that you put through it paces. With the BrushEgg use this to do a deep clean. With the ridges this allows the make-up that is within the bristles of the brushes too loosen and come out.
Use this with your choice of cleaning solutions be it Make-up brush shampoo, a mild and gentle shampoo this BrushEgg will allow it to build up a lather to make sure that your brushes are deep cleaned.