You can't. You can clarify your hair of dirt and build-up, but the chemicals consumed or medicines you take will show in the follicle test. You can't. The simple answer to passing drug tests is not to do them in the first place.
Hair follicles forms a cluster of cells in the upper layer of the skin. These cluster of cells are called the primitive hair germ, which needs nourishment to grow into a developed hair follicle. To...
a hair folicle is the root of the hair which is located in the lower part of the dermis. It is also connected to the arrector pili muscle. Hair is better known as the hair shaft and is the part...