Rampa reminded me about something...
While the hardest part is to sculpt the head, you have a great advantage by already possessing a character (not to mention since you have designed it, you may already have a high resolution head snapshot of your character ). 
If you have a head-shot plugin, you may very well use it to create a head of your character with much less hassle.

Here is I've setup lights and took a snapshot of your character in iClone and then spent 15 minutes with head-shot plugin to generate the head.
Extracted the hair from Blend file and imported as an accessory into CC.
With head-shot plugin you have endless possibilities to sculpt the head and then body (which is a lot easier to make than the head).

iClone snapshot of the original character. I had to hide the hair, and add eyebrows in Photoshop (since I merged hair and eyebrows materials in the first place )



And this is a quick work in CC with head-shot and added hair

That looks awesome, 4u2ges! I'll have to get the free trial and try to get it working as you did!

And so what I gather from what you guys are saying - I can export a character from Character Creator have my designer morph the character to match my design, and then import it back as a morph?

So for example:
-I could have a character that matches the build mostly
-export the character (as an object?) 
- have my designer morph his face to look more like my character design
- then import (the character? The object?) as a morph? Is that an easy process?

  

Fairly easy. I have 1.5m tut on this one.

That's a great simple tutorial! You guys are awesome.

1.) So when you export from blender you get the .obj and the .objkey?

2.) And would you recommend that I export the character without hair for my designer to morph before adding it back as a morph slider? 

3.) I would add any hair he makes as an object like the video "creating clothing from obj files" that Rampa put here 2 days ago?

4.) Also, 4u2ges - can you show me how you were able to make head looking cartoony with the headshot plugin?

I got the free trial and was trying to do it as you did:


But he came out way too realistic looking haha:

Well, you certainly getting there.

1. No, the .objkey is generated when you export from CC. Then you use that key to import the mesh back as a morph.
2. When you export Nude in T-pose, it does not export any cloth, or hair, or accessories by default (even if character is fully dressed).
3. At the end, yes. You would bring it in, fit it and *weight* to the head as a hair.
4. I only changed material for left/right Cornea, switching from realistic Digital shader type to Traditional and set the opacity map strength for eyelashes to 0.

I would recommend using Pro mode for better quality and more options if you go with Head-shot plugin.
Over 1K additional morph sliders, which come with plugin (or might have to be purchased separately - don't remember already) makes it very easy for skilled (and not so skilled like me ) artist to sculpt the head as close as possible to the *original*.

There are some useful RL and users tutorials can be found here: https://forum.reallusion.com/427885/Headshot-tutorials-hints-and-tips?PageIndex=1

Thanks for all the answers and that link to the tutorials!

When I send the object to my designer - would he be able to change the skin texture as well to make it more cartoony?

If not - what would the best way to allow him to fix the texture for the mesh so they'll have that stylized look?

Yes, the object comes with base maps and .mtl file. The rest is just up to the designer to customize those maps.
Just export any character from CC toNude OBJ and inspect the exported structure.

I was trying to import the hair, but ran into some issues:

In the tutorial Rampa put up - the way to import objects is by selecting Create->Cloth,hair,accessories and then selecting the .obj file.

When I tried to do that it wouldn't show any of the object files and would only allow fbx files:


When I try Create->Accessory it allows obj file types:


But when I add it the hair doesn't appear and under the avatar it appears as glasses?



How did you import the hair? And why doesn't the Clothes, hair, and accessories not allow obj files?

Thanks again for the support!

I have not seen mentioned tutorial, but I believe you misunderstood.
"Create Cloth Hair Acc (with FBX key)" is restricted to bringing FBX character (previously exported out of CC) with cloth, hair or accessory added to it in some 3rd party program.
You cannot bring an item alone (even in FBX format) with this option.
"Accessory" is the only way to bring anything into CC alone and then optionally convert it to Cloth/Hair or have it retain an accessory status (that is the option I used for the hair).

Thanks for clearing that up!

Here's the tutorial Rampa put up in earlier in this thread that I was referring to: [YouTube]https://www.youtube.com/watch?time_continue=795&v=nsE5qJP2xAI&feature=emb_logo[/YouTube]

I tried importing using the accessories as you stated, but nothing seems to appear even though it appears in the scene as an accessory:


I even had the hair attached to the base head (thinking maybe it didn't show because it was attached to the pelvis - as the online manual also mentions):


I'm not sure if it's an issue with how I'm importing it or how I exported it from blender!

Here's the exported hair from blender (obj and mtl file): https://drive.google.com/file/d/18IXHqrX3Na0FqDiQZS6ht1T_a9KZCW4c/view?usp=sharing 

Is there something I'm doing incorrectly?