If you need a brush to fit into the crevices at the side of your nose, or the space between your eyebrows, or the circles under your eyes, I'd recommend the Large Shader brush. It is about 1/2 in diameter and does an amazing job touching up these smaller areas on my face. Jane Iredale brushes are amazing. They are incomparably soft, hold the powder so you do not have to use too much, and last FOREVER. Do not be deterred by the sticker price....these are worth their weight in gold! I use the Large Shader brush for detail work, and the Chisel Powder brush to apply my Jane Iredale pressed powder all over my face.