Are There Any Special Requirements For Submitting a Hair Sample?
The accuracy and reliability of the test results and interpretation is based upon the laboratory receiving a properly collected hair sample that is clean and free from external contaminants. The ideal hair sample should be collected prior to subjecting the hair to any treatments such as bleaching, permanents, or dyes. This also includes the application of hair sprays, hair creams, gels and oils. Additionally, the hair should be washed within 24 hours of sampling and must be dry for at least 4 hours after shampooing. There are several cautions and concerns regarding hair products. Most shampoos, rinses and conditioners do not contain metals and will not effect the accuracy of the analysis. However, medicated shampoos of concern are Selsun Blue(selenium) and Head and Shoulders(zinc). Grecian Formula contains lead and iron. The hair sample should be cut as close to the scalp as possible and should be a maximum of 1.5 inches in length. The distal end of the hair longer than 1.5 inches shou
