Where can i buy a hair strand drug test at i live in California , id like to test a family member?

Look in the yellow pages for labs, then call around. This is how I found a lab to do a paternity test.

Where can i buy a hair strand drug test at i live in California , id like to test a family member?

You need his/her permission to do so unless they are a minor and you are or have their parents permission.

Where can i buy a hair strand drug test at i live in California , id like to test a family member?

Here:

http://shop.alltestsonline.com/mm5/merch...

Note that you have to send the sample to a lab and have them analyze it, for a fee.