what is keratin debris
Keratin debris is whatâs left behind after the fibrous protein in hair, skin and fingernails starts to break down. Keratin itself is a hard substance found in these parts of the human body as well as in animal hooves and feathers, and the soft stuff left behind is the result of keratin being damaged.eratin Debris Treatment. If an active infection is still present on the foot, that must be treated first. Antibiotics can clear bacterial infections while drugs like terbinafine or itraconazole can get rid of fungus.