hi, my russian tortise that is like 5 yrs old has never shedded with me, but maybe it had shedded with the former owner. ontop of its head, it has a little bit of skin coming off. under that skin is a bright lime green peice of skin. hes had this green skin for maybe a year or more and i dont know what it is. plz help me! i dont know what products to use!by the way, he just oke up from hibernation a month ago. he is eating lettuce and strawberries, and is pooping and peeing regulary. plz help!