Excellent! Your edges need more variety. Needs to be softer overall. Notice how cut out around the hairline it is. Let the flesh blend back and forth into the hair.

this starts to work better and once you get to the edges it will pull together better.

yes, incorporate edges now and use your mixtures to reapply the paint to blend.

the big test is next with edges.

I like your boldness in your strokes.

get out your average light mixture and see if you can tame down all the busyness of lights and halftones everywhere. Squint and clean up the lights. Try to make simple shapes in the hair.

Great set up. Edges next and hone the drawing continually. Take this picture in your phone and have the reference at the next picture on your phone. swipe back and forth at your painting and the photo. Pay attention to certain areas each time you swipe back and forth. Notice the little differences you may have missed and can't see right now. It will be enlightening.

It’s getting there. Needs a little more to the back of the head. Compare with photo keep honing the drawing at all stages

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