Which skin disorder is characterized by the overproduction of keratin?

Psoriasis is characterized by the overproduction of keratin, leading to the formation of thick, scaly patches on the skin. This condition arises from an accelerated life cycle of skin cells, which multiply too quickly for the body to shed them adequately. As a result, the excess keratin causes the characteristic silvery-white scales and red patches associated with psoriasis.

In contrast, conditions like eczema and atopic dermatitis typically involve inflammation and may lead to dry, itchy skin but do not primarily feature the overproduction of keratin. Acne vulgaris primarily involves the clogging of hair follicles with sebum and dead skin cells, rather than a specific overproduction of keratin. Understanding these distinctions highlights the specific nature of psoriasis in the context of skin disorders related to keratin production.