How do I make fresnel on material to be black?

[Feureau]

I’ve been using fresnels to add some faded highlight thingy and I can make add color to them, but how do I make these frenels black?

These things:

Using Fresnel in your Materials

I can make them in color like this:

https://docs.unrealengine.com/portals/0/images/Engine/Rendering/Materials/HowTo/Fresnel/FN_Fresnel_Sample.png

But how do I make them fresnel edges black?

I’m not looking for a black outline

[Luos (Luos_83)]

Just use it as a mask with Lerp.
texture in A, black color in B, and Fresnel in Alpha. (or other way around)