Human Skin Plug (Keratin Plug)

Scientific Name: Sebaceous filament / Keratinous debris

Order & Family: Non-biological (Dermatological origin)

Size: 0.5mm to 3mm in length

Human Skin Plug (Keratin Plug)

Natural Habitat

Found within human pores, typically on the face, scalp, or back.

Diet & Feeding

Not applicable; it is a mass of dead skin cells and hardened oils.

Behavior Patterns

Forms when sebum (skin oil) and keratin (skin protein) accumulate and harden inside a hair follicle. It remains stationary until expressed or shed.

Risks & Benefits

Generally harmless; they are a natural part of skin function but can sometimes lead to acne or inflammatory lesions if bacteria become trapped.

Identified on: 1/7/2026