Set LoRA weight at 0.8 and then start to lower it to increase variety.

DPM++ SDE CFG 3 ~ 3.5 with 20 STEPS

EULER A Normal or Simple CFG 3 ~3.5 with 20 ~ 25 STEPS

Samplers as EULER A or SDE give it a more smooth look. For illustrations and posters SDE + 15 ~ 20 steps will do it easily.

tips for positive prompt:

"Surfaces use advanced Subsurface Scattering (SSS) for a soft, luminous skin glow and high-poly smoothing to eliminate visual noise. Lighting is cinematic Global Illumination with soft Ambient Occlusion and a clear primary light source creating warm highlights and cool, deep gradients in the shadows. Physically Based Rendering (PBR) materials with a satin finish. The color palette is polished and cohesive, featuring high-contrast complementary tones and a clean, anti-aliased finish. 8k resolution, Unreal Engine 5 cinematic style"

and for negative if you want to keep the style:

"oily shiny skin, wet, orange tones. realistic."

You can safely use