Donor hair 88 vs 89, how can I confirm that the proper hairs were used?

December 4, 2022
Asked By:Diligent416325 in San Jose, California

I observed the nurses/doctors correcting someone about the hairs they were implanting. I overheard them say you are using the wrong ones there its 89 not 88. How can I confirm that the proper hairs were used and an inexperienced person didn't use the wrong hairs?