Seborrheic Dermatitis

Introduction to Seborrheic Dermatitis

Seborrheic dermatitis is a chronic skin condition characterized by a red, scaly, and itchy rash. This condition commonly affects areas rich in oil glands, such as the scalp, eyebrows, the folds around the nose and mouth, and the ears. The rash can persist for years and may clear up and flare up without warning.

Who Is Affected by Seborrheic Dermatitis?

Seborrheic dermatitis can affect people of all ages but is most often seen in:

  • Infants: Known as “cradle cap,” this condition typically affects the scalp.
  • Older Adults: Particularly more common in men than women.
  • Individuals with Oily Skin: Those with naturally oily skin may be more prone to developing seborrheic dermatitis.

Causes and Triggers

Seborrheic dermatitis is believed to be related to a combination of factors:

  • Yeast Overgrowth: The yeast that naturally lives on our skin can overgrow, leading to an inflammatory response.
  • Excess Oil Production: An overproduction of oil on the skin provides a favorable environment for yeast to thrive.
  • Environmental Triggers: Cold, dry weather and stress can exacerbate the condition.

Diagnosis and Treatment

A dermatologist can diagnose seborrheic dermatitis by examining the affected areas. Treatment options include:

  • Over-the-Counter Shampoos and Creams: Products containing antifungal or anti-inflammatory ingredients can help manage symptoms.
  • Prescription Medications: In more severe cases, your dermatologist may prescribe stronger treatments to control the condition.
  • Ongoing Management
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Dr. Jane Yoo Board-Certified Dermatologist and Mohs Surgeon
Jane Yoo, MD, MPP, is a Korean American board-certified dermatologist and fellowship-trained Mohs surgeon based in Midtown Manhattan. She is a Clinical Assistant Professor at the Icahn School of Medicine at Mount Sinai and the founder of Jane Yoo MD, PLLC and the Clinical Research Center of New York. Dr. Yoo holds an undergraduate degree from MIT and a Masters of Public Policy from Harvard's Kennedy School of Government. She completed her Mohs micrographic surgery fellowship at Yale. Her clinical and research focus spans aesthetic clinical trials including injectables and laser technology, skincare formulation and sunscreen science, K-Beauty and skin of color, ultrasound guided filler dissolution, artificial intelligence and beauty tech. Dr. Yoo's research is indexed under ORCID 0000-0002-7112-8963.