Would you mind sharing what brand of brushes you use? I'm thinking of doing some detail painting on my walls, and I have brushes with either hard plastic bristles or nice soft ones that fall out into my painting.
I got my brushes from either Michael's or Joann's. They are some of the cheapest brushes that they have there - lol! They come in a pack of 5 or so brushes of varying sizes, and the handles are see-through colored sparkly plastic in different colors and the brushes are some sort of brown fake sable-like hair. I LOVE these brushes. I have another couple sets of them that I use for facepainting the kids, and they work perfectly for that too.