What I meant was to mix diffuse and specular bake outputs with other bake outputs to get color/value variation in there and export the result out as new diffuce/specular maps. I have to say though judging by the screenshots that's the least of your worries right now. The hair cards look like wet cardboard to me, IMO you'll…
Thanks for the suggestions. By render output, do you mean my first image - the diffuse...? Or the other bakes - Height, ID etc.? I have been thinking that a number of my hair chunks are a bit thick, although I was trying to mimmick the chunks from the videos I've been following, which are these: I did make three additional…