As always, seek professional advice before using any of the methods listed.
In mainstream science, hair analysis is the chemical analysis of a hair sample. The use of hair analysis in Alternative Medicine as a method of investigation to assist alternative diagnosis is controversial and its use in this manner has been opposed repeatedly by the AMA because of its unproven status and its potential for health care fraud.
In hair analysis the levels of minerals and metals in the hair sample are analyzed.
Alternative Medicine advocates that this allows them to diagnose mineral deficiencies, heavy metal poisoning, and that patients afflicted by conditions such as autism have anomalous hair test results.