comb has a white spot

[Emmi2]

My hen's comb has a white spot. What could it be? She is not acting sickly. Is eating as usual. The spot is not raised nor looks like a wart. It just looks like the skin turned white. Any ideas on what it is and how to treat it would be greatly appreciated!

 

[Eggcessive]

It looks like dry skin to me. Try putting a little coconut oil on itoccasionally. Sometimes comb injuries or pecking will look white when healing. Favus is a fungal infection that can cause ther comb to appear white or grayish, and can be treated with antifungal creams such as clotimazole or miconazole. Below is an extreme example of favus: