Ensure you are using the correct SE version of RaceMenu and that the mod isn't being overwritten by another face mesh mod.
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that work best with HPH?
HPH works alongside other mods. It acts as an additional head option, meaning you can choose which characters use it rather than forcing it on everyone. High_Poly_Head_v1.4 (SE)
Are your characters still looking a little too "2011" for your taste? If you are running a heavily modded Skyrim Special Edition with 4K textures, photorealistic lighting, and complex armor mods, but your character’s face still looks blocky, you are missing the final piece of the puzzle. Ensure you are using the correct SE version
If you want NPCs to use these heads, you will need a patch, such as NVICO or similar high-poly NPC overhauls. Conclusion HPH works alongside other mods
