I won't endorse a particular brand on my blog I will make recommendations from time to time.
In a recent coloured pencil workshop that I delivered we were discussing colourless blenders. Some students were wondering if they really did make that big of a difference to the drawings.
I usually take photos every step of the way with a painting and had never done so with a drawing, not sure why that is. Perhaps because when you get to a certain point you need to let a painting dry and you don't have to do that with a drawing.
In any event I have been working on a coloured pencil drawing for a set of assignments through the London Art College. I decided to take a picture before and after using the colourless blender and post them for you to see.
I'll post the final product once completed.
Before using the blender: After using the blender: