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This is a simple question, but why is the hair in this render showing up as black in Cycles? I rendered it in EEVEE and it seemed to work fine. Also, when testing an only-transparent material it worked fine in Cycles.

EEVEE render result is on the left, Cycles is on the right

My Node Graph

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    $\begingroup$ What does Cycles look like with the Principled BSDF instead of the Principled Hair Shader? $\endgroup$ – Ron Jensen Aug 11 '20 at 2:46
  • $\begingroup$ @RonJensen I made a comparison render, Principled BSDF seems to be a lot brighter than Principled Hair BSDF but doesn't effect the transparent/black patches. Image link (Principled Hair BSDF on the left, Principled BSDF on the right): cdn.discordapp.com/attachments/454289617731190784/… $\endgroup$ – Joe Bartlett Aug 11 '20 at 15:50
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    $\begingroup$ SOLVED! I tried bumping up the transparency bounces. When this did not work, I tried random values & parameters until I bumped up the transmission bounces which did the trick. $\endgroup$ – Joe Bartlett Aug 11 '20 at 17:17

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