Skin cell or skin flake

Scientific Name: Keratinized epithelial cells

Order & Family: Non-living tissue (Hominidae/Mammalia origin)

Size: 30 to 40 micrometers (this specific macroscopic cluster is likely 1-3 millimeters)

Skin cell or skin flake

Natural Habitat

Found globally on various surfaces, typically in domestic or indoor environments where humans or animals reside.

Diet & Feeding

Non-living; does not consume nutrients.

Behavior Patterns

This is inanimate biological debris. It is part of the natural process of desquamation where the outer layer of skin is shed.

Risks & Benefits

Generally harmless, but high concentrations in dust can trigger allergic reactions or asthma in sensitive individuals. They serve as the primary food source for dust mites.

Identified on: 5/2/2026