John,
The hair on a TL 700 is looped hair between two very thin layers of skin---really thin skin. Don't ask me how the factory does this because I don't know. So if you wear your hair plulled back in a pony tail it would pulling on the base and I wouldn't recommend a TL 700.
Here's a super close up photo of the hair line on a TL 700 New Generation base.
John