Human Sebum Plug (Not an insect)

Scientific Name: Keratin plug / Comedo

Order & Family: N/A (Dermatological artifact)

Size: Usually 0.5 mm to 3 mm in length.

Human Sebum Plug (Not an insect)

Natural Habitat

Typically found on human skin, often originating from pores on the face, scalp, or back.

Diet & Feeding

N/A (This is a non-living accumulation of skin oils and cells, not a living organism).

Behavior Patterns

Stationary. These plugs forms slowly over time as sebum (oil) and dead skin cells accumulate and harden within a hair follicle or pore.

Risks & Benefits

Benefits: None, though removing them can feel satisfying to some. Risks: Generally harmless, but squeezing or picking at skin to remove them can lead to inflammation, infection, or scarring (acne).

Identified on: 2/25/2026