Face mite
Scientific Name: Demodex folliculorum or Demodex brevis
Order & Family: Order: Trombidiformes; Family: Demodicidae
Size: 0.15 mm to 0.4 mm in length

Natural Habitat
Human skin, specifically within or near hair follicles and sebaceous (oil) glands on the face.
Diet & Feeding
They feed on sebum (skin oils) and dead skin cells.
Behavior Patterns
They are nocturnal, emerging from follicles at night to move across the skin and find mates. They lay eggs inside the follicles. Most adults have them as part of their natural skin microbiome.
Risks & Benefits
While usually harmless, an overgrowth can lead to skin conditions like demodicosis or contribute to rosacea and blepharitis. They are not known to transmit diseases.
Identified on: 1/11/2026