I'm not sure what you're talking about re sharp line in her nostril, unless you really mean, on the side of her nose just above her nostril. Most of the wonky looking lines you see are from a bad bump map (hence my P.S. in the second post).

______________

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