What is a dry, scaly skin condition that results from a deficiency of sebum typically due to old age or cold exposure?

A dry, scaly skin condition that arises from a deficiency of sebum is known as asteatosis. This condition is often seen in older individuals or those exposed to cold environments, where the production of natural oils by the skin diminishes. When sebum production is inadequate, the skin becomes dry and can develop a scaly texture. Asteatosis is characterized by a lack of moisture, which can lead to skin irritation and discomfort.

Understanding this condition is important for estheticians, as it highlights the need for appropriate skincare products and treatments aimed at rehydrating and nourishing the skin, especially for clients who may be aging or living in colder climates.

In contrast, psoriasis is a chronic autoimmune condition characterized by red, inflamed patches of skin covered with silvery scales. Atopic dermatitis, commonly known as eczema, is a condition that involves inflammation, redness, and itchiness often related to allergic reactions, rather than just a lack of sebum. Acne vulgaris is primarily associated with clogged pores and excess oil production, leading to breakouts, which is opposite to the sebum deficiency seen in asteatosis.