Peach fuzz

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This is from an excellent article I found about creating realistic character faces by Vadim Sorici. I would recommend reading the original post first, as this one is more of a reminder for future self if  I need to come back to relearn it.

 https://marmoset.co/posts/how-to-create-realistic-hair-peach-fuzz-and-eyes/

Peach fuzz is known as Vellus hair, which are short, thin, translucent hairs that cover a person’s body. They’re very subtle, however they can be prominent on some faces. I used Zbrush’s FiberMesh to create my peach fuzz. There’s no secret technique to fake it, it’s simply a lot of geometry. The key is to nail the density and length. You can download my Fibermesh preset and skin material here. The Fibermesh preset should work right out of the box, with possible adjustments to length according to your needs. I’ve discovered that tubes work better than planes. Although, I plan to run more tests using planes to make them look just as good due to the high poly count of tubes.
In steps 1 and 2, I mask out areas in Zbrush where I don’t want peach fuzz, then use the FiberMesh preset. Once you’re happy with the preview, click Accept to commit the changes. Steps 3 and 4 display the direction control of the peach fuzz. You should constantly check the silhouette to make sure the length remains uniform. Use the Smooth brush here to cut length. Once you’re happy with the result, export the mesh.
The important trick here is to transfer the normals of the face mesh to the peach fuzz. This will smooth out and ground the fuzz. In Maya, select the face geometry, select the peach fuzz, and then click Mesh -> Transfer Attributes.
The material setup in Toolbag is very basic. Simply tint the Albedo color to a light yellow and set the Transparency slider to a halfway point.
Note: Peach fuzz is a lot of geometry, so expect some drops in performance. The Speedy Viewport option really helps in this instance.

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