For best realism, I generally go with dynamic hair, but I guess the viability of that depends on your version of Poser, as well as your patience with e.g. styling and playing with materials. Check out Carodan's gallery to see the possibilities with it... Poser dynamic hair can be pretty amazing.

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3