Pimples on the eyebrows may be due to an inflammatory reaction on the eyebrows, usually due to the hair follicles on the eyebrows there are peripheral keratinization of the skin, and the appearance of sebum peripheral sebaceous glands can not be excreted in a timely manner, this sebum stagnation in the root of the hair follicles, which can easily induce inflammation of the hair follicles. Often these pathogens may be Propionibacterium acnes or Staphylococcus aureus infections, which can lead to inflammation of the hair follicles, which is what we see as acne. As this inflammation occurs, it can also irritate the surrounding hair follicles, or the nerve tissue around the eyebrow, so a certain amount of pain can occur.