Flux_ID_Adjuster_V2 Banishes The Waxy Skin Look From AI Portraits

Flux_ID_Adjuster_V2 is a new ComfyUI node that improves identity consistency and realism in Flux.2 Klein 9B images. It tackles the common waxy skin problem by letting users control how reference faces influence the output through separate frequency bands and block adjustments. The node balances facial likeness with background integration for more natural results.
Magirad, the developer behind the original tool, created this update based on user feedback and hands-on testing with the distilled FP8 model. The node was developed as a free, non-commercial resource for personal art, research, and charity work. A separate license is available for those who want to use it in paid services.
Frequency filtering and overdrive for realism
- Five filtering modes including Band-Pass for likeness.
- Overdrive amplifies detail without reference images.
- Adjustable identity strength and fade curve timing.
- Saliency scan blocks isolate face from background.
- Dynamic text balancing keeps prompts from fighting identity.
- Hard anchor margin locks down dominant face matches.
This node is built for ComfyUI users who want consistent character faces without the plastic look common in early Flux.2 Klein outputs. Hobbyists and small studios running models locally on consumer GPUs can fine-tune identity strength for photorealistic or artistic styles. Privacy-minded professionals benefit since the tool works offline, keeping client images off cloud services.
Developer notes and known limitations
Magirad cautions that default parameters were tested on a limited range of images, so users should experiment to find their own ideal settings. The node currently only supports the Flux.2 Klein 9B FP8 distilled version, and it is critical to match the total sampling steps with the KSampler to avoid anatomical glitches. While the overdrive feature adds realism, setting its strength too high can over-sharpen skin and create unwanted artifacts.
"It mitigates the waxy skin effect of the flux.2 klein model." — Source: Reddit