Final answer:
Microscopic creatures like mites, bacteria, and fungi normally inhabit eyebrows, eyelashes, and facial hair follicles as part of the skin microbiome, with Demodex mites being the most common in these areas.
Step-by-step explanation:
The type of microscopic creatures that often live inside the eyebrows, eyelashes, and hair follicles are primarily mites, such as Demodex folliculorum and Demodex brevis. These mites exist on most people and are usually harmless, feeding on the oils and skin cells found in hair follicles. Additionally, the skin microbiome includes a diverse array of microorganisms including bacteria, fungi, and viruses. Bacteria from the genera of Propionibacteria and Corynebacterium are typically abundant in sebaceous and moist regions of the skin, respectively. It is important to note that the presence of such microorganisms is normal and, in many cases, beneficial as some microbes help defend against pathogens. Nonetheless, hygiene practices like washing with soap and water can help manage the populations of these microbes to prevent infections.