I get the hang of it but it still takes a lot of time. After making the basic shape there is a lot of work to do. Top-hairs are diving under the underlaying hairs and in the most cases it looks like there is too much gel or glue in the hair.
I hide parts, make groups and mask the other parts to groom. Mostly I use the longhair groom brush and set all sliders to zero except the 'preserve length'. This way it's easy to pull the hairs. Pushing hairs back is different because they get distortion, I always work from the root to the tip and from the underlaying hairs to the hairs on the top. To push the roots more flat I use the Inverse Propagation slider with a low setting, so the tips are not moving. With the PRE Vis slider at zero it's more easy to make the basic shape. I also push this slider up to check all hairs have the desired direction. When I'm happy with the basic shape I need more irregularity. I hide real small parts, group the visible and mask them. Then I start pulling and grooming those small groups of hairs. For the gray hairs I did the same, lot of work...
It should be great to have a slider to hide or mask a random percentage of the hairs!


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