Thank you for reaching out to us. For the hair analysis test, please ensure you provide 1 gram of hair, which typically equates to 50 to 70 strands that are about 5 inches in length. This amount represents approximately a year's growth. If your hair is shorter, you may submit more strands to compensate for the length. Please note that pubic hair is not acceptable for this test. However, you can use hair from other parts of your body, such as your face, arms, legs, or back. The test works by analyzing chemicals absorbed into the hair shaft, which reflects your exposure over time. If you have any further questions or need assistance, feel free to contact us. We are here to help!
Feb 12, 2025