Apply the pencil with thorough circular motions, and invest in a blending pencil like these. It may be easier or harder to blend your colored pencil drawings depending on what brand of pencil you're using, as some are more waxy (and thus more easily blendable) than others.
Oh yeah, I see that bit on the forehead. I'd bring the yellow a little farther into the orange really light. Another thing that helps a lot with blending is a clear blender pencil.
https://www.amazon.com/Prismacolor-962-Premier-Colorless-Blender/dp/B002X94T8U
Make sure you don't need to add anything after you use it though. It's almost impossible to add color on top of where you've used a clear blender.
If you don't have access to those, try twisting a paper towel together really tight until it looks like a crayon and then using it to blend the colors. It will smooth things out.
https://www.amazon.co.uk/Prismacolor-Colorless-Blender-2-Pkg/dp/B002X94T8U
This is what I use for most of my blending, it pushes the pigment around without changing the colours. Yeah once there's too much wax on the paper you'll struggle to get much of a blend, especially with lighter colours. Dark colours tend to go over fine for me though even at that stage, I work in very light lines until I've got an idea of the shading down, blending as I go along, then add more on top to give it more saturation.
I've also heard good things about using Gamsol, and paint thinner added over the top to blend the colours and give a more painted feel
What store do you recommend, I tried Walmart but couldn't find anything that said blender on it. I did find these on Amazon though. Blender pencil
Honestly a blender is an absolute game changer.
These are the ones I use https://www.amazon.co.uk/dp/B002X94T8U/ref=cm_sw_r_cp_apa_i_fqpvFb7FPX8MM
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