Normally, hair follicles are not present on shed hair. In the shedding of hair can often be found at the root with white rice-sized particles, many people will think that the hair follicle with the shedding. In fact, the hair follicle is a sheath-like structure that exists in the dermis of the skin, and its root is planted in the skin, and the hair follicle will not be brought out by the hair loss. 1. The white particles at the root of the hair are fat particles secreted by the follicular glands, the main components of which are fat and the epidermal cells of the hair follicles that are shed. When the hair falls out naturally or by external force, the fat granules in the follicle are taken out by the hair together. 2. Hair roots often with fat particles represents the follicle oil secretion is exuberant. Excessive oil secretion can clog pores, affecting the health of the scalp and causing hair loss or seborrheic dermatitis to occur. This is the reason why white granules are believed to be closely associated with hair loss. Hair health and follicle function are closely linked, but hair loss does not take the follicles out with it. In cases of extensive hair loss and itchy scalp, it is advisable to seek further treatment from a healthcare provider to clarify the cause.