Isn't It Annoying?

Why would a colorless blender look blue-gray? Not only does it look blue-gray, it has a slight tint when applied to white paper. Annoying!
The one on the left is an older Prismacolor colorless blender, made in the USA. On the right, a new Prismacolor Premier colorless blender, made in Mexico. I wonder if it's a better formula, cheaper materials, or just different materials available in Mexico, versus in the USA. If anyone has answers, I'd like to know!

In Wonderland, continued

After the watercolor wash comes several layers of colored pencil. I use both Prismacolor, and Prismacolor Verithins over the watercolor to get this:

It's still not completely finished. The Cheshire cat needs fur detail and there are little things all over that need a tweak or two.