Funny you should ask actually since that’s all I’ve been making lately, I’ll probably drop a tutorial at some point on it but I usually do like this..

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Get a layout for roughly how the hair should look, you could either draw something or just put a couple of curved nodes down etc to create a shape, consider as well that there will be layers to the hair, start from back ( Behind the head ) to the front, layer by layer.

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Begin to colour roughly the segments that will correspond roughly to a specific layer, I usually do Rainbow colours, pink at the back, red at the front, do what works for you.

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Start to construct the layers from the back- forward and if you wanted, incorporate some moving parts. By utilising trapezoid curved nodes with rounded edges you can move the hair and still maintain a unique shape to it in comparison to going with central moving point, polyfills and other additional shaping to the moving hair.

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Once the layers are made and you make any adjustments you wish to make, you can begin detailing

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The detailing will come down to your style and what you make of it, for me I would include gradient work and outlines, the hair at the back through to the front will go darker to lighter ( Back hair = darkest colour, front hair = lightest colour ) just don’t go overkill with it if you are to add other detailing like outlines etc.

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If you really wanted to get fancy you could add strands of hair, finer stuff throughout on various layers, potentially make it movable and even, add some sprite texturing over areas with little shading or lighting to emphasise the single strands without having to actually make any ( Although of course, this is more effort and may require external work to accomplish a given appearance )

That about covers it, hopefully that helps you.

Consensus, Layers by layer, start from the back, add the detailing once the structure is down and don’t be afraid to add movable hair, that will really bring it to life.