Become familiar with facial bumps that are harmless, including milia, sebaceous hyperplasia, seborrheic keratoses, and ...

Seborrheic dermatitis is a skin condition that may cause symptoms like patches of skin that are lighter than the surrounding areas (hypopigmentation) and curved lesions in people with dark skin.

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Seborrheic dermatitis can cause ...

Seborrheic keratoses (SKs) are the most common benign tumor in older individuals. It is very uncommon to see the tumor occur before age 30 years. SKs have a variety of clinical appearances and develop ...