One thing I have started doing is altering density after doing my draping. In other words, drape with a relatively little amount of hair and then up the density for the render.

It's not foolproof--you can end up with hair going astray a little (or a lot, YMMV), but it's well worth trying as an aid to your system. (Unlike changing hair length etc, altering density and hair thickness does not lose your styling and draping.)

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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