1. Open CC3
2. Place the new female Smart Hair on the default avatar
3. Export to FBX with the following settings:
Preset: Unity 3D
Instalod: checked
Merged Material (UV): By Type
Bake Texture Size: 4k
4. Export to FBX and import to Unity

Expected results:
Eyebrow diffuse RGB texture to be clean
Eyebrow diffuse alpha to apply to both eyebrow materials merged into one

Actual results:
Eyebrow diffuse RGB contains some mess from other textures
Eyebrow alpha channel shows properly set texture for the major brow pieces, but the individual hair cards are all fully white/opaque.