Completely remove specular from material

Unity Engine
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1

I need a completely matte material, but many types of light setups still leave a significant amount of fresnel on, even with smoothness and metal down to zero. I’ve seen this for years, but never got around to solving it. Now I really need to solve it though. Help!

2

That’s not possible to do on HDRP materials, as it is not physically accurate, and you’ll need a custom lighting model.
But your can disable the specular contribution of an individual light :

6366627--708525--upload_2020-9-30_19-2-43.png
6366627--708525--upload_2020-9-30_19-2-43.png787×244 18.5 KB

But this will not get rid of the fresnel.

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