Frequently Asked Questions > Hair sampling (5 entries)

Search the FAQ for entries containing:
  • Hairs to Health, Inc. works exclusively with Analytical Research Lab, Inc. (ARL) to provide the most consistent and informative results. Other laboratories may use reagents to wash the sample which can ...
  • No. They can contaminate the sample with metal shards and distort the results. Clean, stainless steel scissors are recommended. If the hair/fur is very short, clean, thinning scissors ...
  • Bleaching can alter the hair structure. It is best to allow the hair to grow out for 6-8 weeks before obtaining a sample for testing.
  • Using a hair or fur sample that is longer than 1 inch from the root end of the hair or not obtaining an adequate amount of sample for testing. Also, ...
  • Dandruff shampoos can contain zinc as well as selenium which can adversely elevate these readings. These shampoos should not be used for at least four to six weeks before taking ...