What is hair toxicology. I need to write a research paper on various aspects related to it.

The correct terminology here would be the use of hair in
toxicology. Toxicology is a study of the effects of chemicals on the human body. This
can be done on people while they are alive or after death as a means to determine the
cause of death.

Testing hair during toxicology is a
relatively simple and non-invasive method. Also, hair absorbs a lot of chemicals from
the body which can provide a comprehensive idea of what the person whose hair is being
tested has or had been exposed to. Some of the substances that are revealed by testing
hair include heavy metals, alcohol, cocaine,
etc.

Toxicology is not a simple thing to explain as it
involves using several techniques to determine the chemicals that are contained in the
sample being analyzed.

You would need to read a lot of
material on this topic that has already been published to gain the information for
writing your research paper.