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Addressing Skin Laxity at Its Foundation

Michael K. Lee, MD Plastic Surgery selectively employs progressive technologies to enhance natural beauty while addressing the aspects of appearance that concern our patients. XERF™ allows our team to address skin laxity at multiple structural levels, delivering consistent, personalized results through a refined, patient-centered approach grounded in both science and artistry.

What Is XERF™?

XERF™ is a non-invasive skin tightening treatment that uses monopolar radiofrequency (RF) energy to gently heat the deeper layers of the skin, initiating collagen remodeling and stimulating new collagen production.

Radiofrequency energy works by creating controlled thermal energy within the dermis through natural tissue resistance. This targeted heating process leads to several key effects:

  • Immediate collagen contraction helps the skin appear tighter and more lifted
  • Activation of fibroblasts, which produce new collagen over time
  • Progressive collagen remodeling, improving skin firmness and elasticity
  • Long-term structural support, resulting in smoother, more refined skin

Together, these processes help restore a firmer, tighter, and more youthful appearance without disrupting the skin's surface. Clinical studies confirm that monopolar RF can safely deliver heat to the dermis, increasing collagen density and promoting structural remodeling, thereby improving skin firmness and elasticity. Additionally, RF technology can deliver uniform volumetric heating to controlled depths, making it especially effective for non-surgical skin tightening.

XERF™ builds on this science by utilizing multi-frequency RF energy, allowing treatment to reach:

  • Superficial layers (texture and tone)
  • Mid-dermis (collagen stimulation)
  • Deeper structural layers (support and lift)

This multi-layer approach enables more comprehensive, structural rejuvenation rather than surface-level improvement alone.

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XERF™ Benefits

  • Non-invasive treatment with no needles, incisions, or anesthesia
  • Comfortable experience with minimal to no discomfort
  • No downtime, allowing you to return to normal activities immediately
  • Stimulates natural collagen production for gradual, long-term improvement
  • Improves skin laxity while enhancing overall firmness and elasticity
  • Refines contours and definition in both the face and body
  • Delivers controlled energy for a safe, consistent treatment profile
  • Fully customizable based on your skin type, thickness, and aesthetic goals
  • Clinically supported results, with improvements in firmness and laxity continuing for months after treatment
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Are You a Good Candidate for XERF™?

You may be a candidate for XERF™ if a clinical evaluation shows that your skin and goals align with non-invasive radiofrequency treatment. Key factors we consider include:

  • Degree of skin laxity, typically mild to moderate rather than advanced sagging
  • Skin quality and thickness, which influence how effectively RF energy can be delivered
  • Collagen integrity and elasticity, impacting your ability to respond to treatment
  • Treatment area and anatomical considerations, such as the face, neck, or body
  • Overall health and medical history, to ensure the treatment is appropriate and safe
  • Aesthetic goals and expectations, particularly a preference for gradual, natural-looking improvement
  • Willingness to undergo a series of treatments, if recommended for optimal results
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Why Choose Michael K. Lee, MD?

Dr. Michael K. Lee is a double board-certified plastic surgeon known for his meticulous technique and refined aesthetic judgment. His training at Baylor College of Medicine and fellowship at the University of California, Irvine provide a strong foundation in both surgical and non-surgical rejuvenation.

What sets Dr. Lee apart is his ability to:

  • Evaluate facial and body aging at a structural level
  • Integrate advanced technologies into long-term treatment plans
  • Deliver results that are balanced, proportionate, and never overdone
  • Apply the same level of precision to non-invasive treatments as surgery

This approach ensures that treatments like XERF™ are not performed in isolation, but rather as part of a comprehensive, personalized aesthetic strategy.

What to Expect Before, During, and After

Consultation

  • Your consultation begins with a comprehensive assessment of the treatment area, including skin response, thickness, and overall suitability for radiofrequency energy delivery
  • Next, we will map out a personalized treatment plan, including recommended treatment areas, session frequency, and expected progression of results
  • We’ll also discuss treatment pricing, which is based on the size of the area and the number of sessions recommended
  • Treatments typically range from $1,000 to $4,000 per session, depending on the device and treatment area
  • A detailed, personalized quote will be provided during your visit so you can make an informed decision with complete transparency

Procedure

  • The skin is cleansed and prepared
  • A specialized RF handpiece is applied to the treatment area
  • Controlled energy is delivered at multiple depths
  • Built-in cooling maintains surface comfort and safety
  • Treatments are typically well-tolerated and do not require anesthesia

Recovery and Results

  • Mild warmth or redness may occur and typically resolves quickly
  • Return to normal activities the same day
  • Subtle tightening may be visible shortly after treatment
  • Collagen remodeling continues for weeks to months

Alternative or Related Treatments

Depending on your goals, XERF™ may be complemented or compared with:

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Skin Tightening FAQs

How many XERF™ treatments will I need?

How long do XERF™ results typically last?

Can XERF™ be used on areas other than the face?

Is XERF™ safe for all skin tones?

At what age should I consider XERF™?

Will XERF™ change my facial expressions or appearance?

How is XERF™ different from ultrasound-based skin tightening?

What are the risks or side effects of XERF™?

How many XERF™ treatments will I need?

The number of treatments varies based on your skin condition, treatment area, and goals. Many patients benefit from a series of 2–3 sessions, spaced several weeks apart, to build collagen progressively and achieve more noticeable, lasting results.

How long do XERF™ results typically last?

Results can last 6–12 months or longer, depending on your skin quality, age, and lifestyle factors. Because collagen continues to break down over time, periodic maintenance treatments may be recommended to preserve your results.

Can XERF™ be used on areas other than the face?

Yes. XERF™ is highly versatile and can be used on areas such as the neck, abdomen, arms, thighs, and other regions with mild to moderate skin laxity.

Is XERF™ safe for all skin tones?

Radiofrequency energy is not dependent on pigment, making it generally safe for a wide range of skin tones. This is a key advantage over some light-based treatments, which may carry higher risks for darker skin types.

At what age should I consider XERF™?

There is no specific age requirement. Many patients begin treatments in their 30s to 50s as collagen production declines, though it can also be used earlier for preventative care or later for mild to moderate laxity.

Will XERF™ change my facial expressions or appearance?

No. XERF™ works by improving skin structure and firmness—it does not affect muscles or facial movement. The goal is to enhance your natural features, not alter how you look or express yourself.

How is XERF™ different from ultrasound-based skin tightening?

Radiofrequency and ultrasound technologies both target deeper tissues, but they differ in how energy is delivered. RF provides more uniform, volumetric heating, while ultrasound delivers energy to more specific focal points. The best option depends on your anatomy and goals.

What are the risks or side effects of XERF™?

XERF™ is considered a low-risk treatment when performed by qualified providers, with most patients experiencing only mild, temporary side effects such as slight redness or warmth, minor swelling, or short-term skin sensitivity that typically resolves quickly.

Let’s Get Clear on What Your Skin Actually Needs

If you’re ready to address skin laxity with a treatment that works beneath the surface, not just on it, XERF™ offers a thoughtful, modern approach to long-term skin refinement. Schedule your consultation at Michael K. Lee, MD Plastic Surgery in Mission Viejo to explore whether this technology aligns with your goals and to begin building a plan tailored to you.

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