“My sister-in-law’s father passed away before she could have his DNA tested. She does have samples of his hair. She was wondering if there is a lab who would do DNA testing for genealogy using hair samples? FamilyTree DNA and 23 and Me both do not do testing on hair. There are no other male relatives that she is aware that could be tested. She is interested in the yDNA especially.”
“Good question! This is a common concern for many. Unfortunately, cut hair (which I am assuming is what you have) does not contain the necessary material for DNA testing. If he had any teeth pulled that she had saved, that would be a good source. Even sometimes a razor will work.