Home » FAQs » My hair is very short, or I am bald. Can I still complete the tests? My hair is very short, or I am bald. Can I still complete the tests? Aug 10, 23 · by TMI Testing Staff · 1 minute A My hair is very short, or I am bald. Can I still complete the tests? The hair sample does not have to be from the head; we can test hair from any part of the body, including leg, arm or chest. Posted by TMI Testing Staff Did you find this FAQ helpful? 0 0