What is chronic skin picking?

Chronic skin picking (CSP) is a serious but largely misunderstood human behavioral problem. CSP sufferers obsessively pick, scratch, and rub their skin, often in an attempt to remove small irregularities or perceived imperfections. This behavior can result in skin discoloration, scarring, or even severe tissue damage. Chronic nit-picking (CNP) is a serious but largely tolerated human behavioral problem. CNP sufferers obsessively pick, nag, harangue, and correct others, particularly spouses, children, and coworkers, often in an attempt to remove small irregularities or perceived imperfections.