I'm using Geometry Editor to try to make Rosalina's cosplay hair 100% with Blissful Hair G8V4 and Lina Hair for G2, but what I've done doesn't look perfect, so tell me which one is the best and easy editor to use?

It's called Greer Hair for Genesis 8 Female(s) but never mind. 

I choose a different hair called Blissful Hair G8V4, and Lina Hair for G2.

Here's an old V4 hair that might do the trick ... 

https://www.renderosity.com/marketplace/products/138769/hr-222

Since you seem to be adept at creating morphs, it might be easier to find a hairstyle that comes close and just create morphs to shape it like the hair you want. There might be one or more hairstyles already made that could be morphed into what you want

If I have a bit similar hairstyle like this.

So that means I can easily create morphs to shape it, like the Rosalina cosplay hair I want? But with New Strand-Based Hair or another best method?

The problem I tried several times over the months and I give up because it's too hard to make an effort to how complex things are from software.

I don't need to learn Blender, but listen, I can tell you something important!

You know, I can make many screenshots of Rosalina with cosplay hair on DAZ Studio that someone did, and someday I can make a lifelike doll for my life to bring me the happiest life to reduce my stress which is useful!

Well, it's not about my laziness, it's about forgiveness!

Maybe someone is sure to do Rosalina's cosplay hair for Genesis 8 Female, I can give you 200 Euro!

Btw, This is what I made that looks like Rosalina's real face.