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Seborrheic Keratosis

CONVENIENTLY LOCATED TO SERVE Newport Beach, Irvine, Huntington Beach, Laguna Beach, Fountain Valley, Aliso Viejo and Laguna Niguel

Close-up of a woman's neck showing visible platysmal bands before treatment.
Seborrheic keratosis is a common, benign skin growth that typically develops as people age. These waxy, rough-textured lesions often appear tan, brown, or black and can sometimes be mistaken for warts or moles. While they are non-cancerous and harmless, they can become irritated, itchy, or cosmetically bothersome.

At Metropolis Dermatology in Costa Mesa, CA, we offer safe and effective treatment options for seborrheic keratosis, whether for removal due to discomfort or aesthetic concerns.

What is Seborrheic Keratosis?

Seborrheic keratosis is a harmless skin growth that forms from the outer layer of skin cells. These lesions often have a “stuck-on” appearance and can develop as a single growth or in clusters. They are most commonly found on sun-exposed areas such as the face, neck, chest, and back.

 

Causes

The exact cause of seborrheic keratosis is not fully understood, but contributing factors include:

  • Genetics: The condition tends to run in families, suggesting a hereditary link.
  • Aging: Most individuals develop seborrheic keratoses after the age of 50.
  • Unknown Triggers: Unlike other skin conditions, sun exposure is not a known cause.

These growths are non-contagious and do not pose an increased risk of skin cancer, though their appearance may resemble other skin conditions, making professional evaluation important.

 

Symptoms

Seborrheic keratoses vary in appearance, size, and texture but commonly include:

  • Waxy, scaly, or rough patches that look as if they were pasted onto the skin.
  • Color variations from light tan to deep brown or black, often darkening over time.
  • Irregular shapes with a raised, bumpy surface.
  • Mild itchiness or irritation, especially if rubbed by clothing or scratched.

 

What Are the Possible Treatments?

Seborrheic keratosis does not require treatment unless it causes irritation, bleeding, or cosmetic concerns. At Metropolis Dermatology in Costa Mesa, we offer several removal options to ensure quick and effective results.

 

Common Treatment Methods

  • Laser Therapy: Uses precise laser energy to remove the growth with minimal scarring.
  • Cryotherapy: Freezes the lesion using liquid nitrogen, causing it to fall off naturally.
  • Curettage: A gentle scraping technique, performed after numbing the area.
  • Electrocautery: Burns off the lesion using a controlled electric current.

During your consultation, our dermatologists will assess your skin and recommend the most effective treatment based on the size, location, and number of lesions.

Side-by-side comparison of a woman's neck before and after platysmal band injections.

FAQs

Can seborrheic keratosis turn into cancer?

No, seborrheic keratosis is a benign condition and does not increase the risk of skin cancer.

Is removal necessary?

Removal is optional unless the growth becomes irritated, starts bleeding, or is cosmetically bothersome.

How long does the procedure take?

Most removal treatments are quick and performed in-office, typically lasting 20 to 30 minutes.

Will seborrheic keratosis return after removal?

The treated growth will not grow back, but new lesions may appear elsewhere over time.

Is the removal covered by insurance?

In most cases, removal is considered cosmetic and not covered unless the growth is causing significant irritation or medical concerns.

Hear from

Real Patients
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449 reviews
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James Craft
September 23, 2026
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favorite dermatologist hands-down. Highly recommended.
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Danielle Glenn
September 16, 2026
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I have been going to Metropolis Dermatology for about two years now, and it has been, and continues to be, a wonderful experience. The staff are always friendly, thorough, and welcoming. They make everything run so smoothly, and I appreciate how prompt they are in answering any questions I have. But the star of the show is Dr. Shauna Higgins! I could spend all day writing about what an incredible physician she is. She is the kind of doctor people wish for. She’s incredibly caring, so attentive, and extremely knowledgeable. At every appointment with her, I walk out feeling seen and heard, and I always leave with a smile on my face. Prior to coming to her, I was struggling with my skin in many ways, but she has completely fixed all of those issues! If I could have her as all of my doctors, I absolutely would.
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James Bond
September 16, 2026
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They have snacks, tea, coffee , and water for you. The staff is very nice and pleasant. One staff suggested a nice restaurant and bakery . Dr. Higgins is excellent and has great communication skills. I asked a few questions and she gladly answered. Some doctors are short and blunt and you don't feel comfortable asking questions. I'm glad Metropolis is not that type of medical facility . The staff are courteous, the place is clean and they have snacks!
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Schedule Your Consultation Today!

If you are experiencing irritation, discomfort, or simply want a seborrheic keratosis removed for cosmetic reasons, our expert dermatologists at Metropolis Dermatology in Costa Mesa, CA provide advanced, minimally invasive treatments to restore clear and healthy skin. Book a consultation today to explore your options!

 

 

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