You do need to give them water either by a bowl or bottle.
Vegetables
And for the hair loss - can you take a photo?
I give him water , the cage seems to be too dirty , mallethead i cant take photos because i dont have camera .
P.s : And yes , i got plenty of pets : Bearded dragons , Leopard Geckos , Iguana , Ball Python , Hamsters , Girbils , Fish , Many Birds ... but this is the first time i take care of GP , they are not like hamster and Girbils .. they need HAY ... 8...
I feel very sorry for my GP because i dont give him much care 8...8...