Use "skin fang" tag only on "upper body, cowboy shot, portrait"
It's recommended to run this LORA for IL version with advokat's Illustrious-XL SmoothFT - smoothFT-SOLID | Illustrious Checkpoint | Civitai OR with Ikena's Hassaku XL (Illustrious) - V1.2 - Style | Illustrious Checkpoint | Civitai OR Raelina's Raehoshi illust XL - v3.0 | Illustrious Checkpoint | Civitai. Recommended setting is 20 step, 5 CFG, euler a.
Use strength between 0.7 to 1.