Firefly Face 17 ; Charcoal drawing of a friend.(Technique, material and tips)

Hello Steemians!!!
You can agree with me that almost every artist has promised a ton of people portraits at some point. This is either at free will or by force. Well, I found myself in that situation again as I had promised a friend of mine a drawing before the end of the year. Actually, I don't even remember making any exact promise but, she visited and dropped her picture, telling me to prove "I'm a man of my words". Well, I had no choice but to try to prove I'm a man of some words which I cant remember saying. But on the bright side, this is just another opportunity to improve myself in my art of pencil portraiture. I finally made the drawing today and here are the details.

The materials I used here are a charcoal pencil, graphite pencil, eraser, pelican paper, and brush.

I start by drawing out her face using a graphite pencil.

Next I the use of charcoal pencil to draw out the features of the face.

After that, I proceeded to blending with my brush. Blending with the brush requires patience but the results are superb.

I worked on the background and her shirt using light shades and black Charcoal respectively.

Finally this debt is settled. Who's Next??
Thank you for reading. Your views and support means alot. Enjoy the rest of your beautiful day. Bye for now!!!