Yes. You would wait until you have washed your hair 8-10 times, or wait until the roots grow out to 1/2 inch. Many people will have their hair stylist take their sample on the day they go in to get their hair dyed/touched up.

Hair is a soft tissue of the body and the test reflects only the metabolic activity in this tissue. This information allows us to infer about mineral levels and other conditions within the tissues of the body.

II use Trace Elements Lab, which uses CP Mass Spectrometry, a widely recognized method used by the government and private agencies as the leading analytical method for mineral and heavy metal analysis. - that qualifies and quantifies molecules based on their mass-to-charge ratio. This testing is included in many industries such as clinical testing, environmental testing, geology, genomics, and in the pharmaceutical industry.