Blender Hairtool by Bartosz Styperek This is a hair plane example. Straight away you can see the difference between volume and vibrance with the example you posted above. So it depends on what you are looking for. I reckon you should look into material and lighting, but also styling.
It would be good to get some bright specular reflections, and some dark shadows in the roots. A good tonal range would be good, using the full range of the histogram. For example: What is your reference? What are you trying to match in style and look? What's the end goal for the hair? Are you going to make some portfolio…