The Amorphan Adventure: Book 2 of the Universal Shapeshifter series

Jessi has never been so alone, the only Human student at the University on the alien planet, Amorpha. Unknown enemies try to kidnap Jessi one day so she and her Amorphan host family are put into protective custody in a secret location. Now her family are hostages, and she only has her shapeshifting and sentient hair to save them and herself.