It improves the realism by adding more quality and details on the skin. With an amateur photography style and more homogeneous lighting.

v1 - Strength 0.7-1

V2 - Strength 0.7

I suggest using it for piassages. This version has an overexposure style, vintage and a bluish shade but it's up to you to experiment and know how to combine it with the image style you generate.

v3 - Strength 0.7