What Is Subungual Debris

Keratin also makes up your skin and hair, and other mammals’ nails, quills, hooves, and horns. When the dermatophytes find their way to your feet, they feast on your keratin, breaking it down into smaller particles. The crumbly residue on your infected toenails is actually keratin debris.

What is nail debris?

Keratin also makes up your skin and hair, and other mammals’ nails, quills, hooves, and horns. When the dermatophytes find their way to your feet, they feast on your keratin, breaking it down into smaller particles. The crumbly residue on your infected toenails is actually keratin debris.

What is the white stuff under my toenails?

Nail psoriasis sometimes causes too much keratin to grow under the nail. This overgrowth is called subungual hyperkeratosis. People with hyperkeratosis may notice a white, chalky substance under the nail. When this occurs in the toenails, the pressure of shoes pushing down on the nails might cause pain.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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