Try a strength between 0.6 and 1.0. Use this LORA to get unattractive and ugly faces.
Triggerword: crackface
crackhead, ugly woman with acne, woman looks tired and drained, the woman's skin is tired and flabby and grayish, woman looks like a junkie.
Crackface SDXL.safetensors
Same model published on other platforms. May have additional downloads or version variants.