How to remove effect from opacity material on SSS material?

[kinglive.pop]

Hi, I need render hair cards with SSS material together,but when I using opacity material,the SSS material appear some of dark line.

I already check, it is Diffuse Reflection ,I try to remove it with AiraySwitch but not working.

How to disable Diffuse Reflection from objects with opacity material? or how to fix it?

Thank you.

check.jpg

[lee_griggs]

In the object shape visibility settings?

https://docs.arnoldrenderer.com/display/A5AFMUG/Visibility

If that doesn't work can you share some images and/or a simple scene.