Sebaceous filaments are structures that allow sebum to flow to the surface of the skin. Tiny glands beneath the skin create sebum, which is an oily substance that helps lubricate the skin. When the ...

Medically reviewed by Marisa Garshick, MD Wet dandruff symptoms may worsen with hormonal changes, stress, or cold, dry weather. Diagnosis involves checking the scalp for flaking, oiliness, and redness ...

This patient had sebaceous hyperplasia, a benign proliferation of the sebaceous gland that occurs in a periorbital location on patients of middle age or older. The condition is characterized by small, ...