Your skin tells the story of your life, including the intimate relationship between your internal and external selves.1 The skin can also reflect damage from external sources, such as sun damage and exposure to environmental contamination.
Fortunately, people have seen that things like sun damage, fine lines, uneven tone, or stubborn skin conditions can often be treated and reversed. You do not have to accept them as your permanent reality.
At The Longevity Centers, we offer class IV medical laser skin treatment, a powerful, science-driven approach to skin rejuvenation that can work at the cellular level to help restore, refresh, and revitalize your complexion. without surgery, without harsh chemicals, and without a lengthy recovery time.

What Is Class IV Medical Laser Skin Treatment?
Laser skin treatments have come a long way, and not all devices deliver the same results. Lasers are classified by their power output, and that matters enormously when it comes to what a treatment can actually accomplish.
A class 4 medical laser operates above 500 milliwatts,2 making them significantly more powerful than the lower-class devices found in many med spas or consumer skincare gadgets. That power difference is what allows a class 4 laser to do something those devices simply cannot: penetrate beyond the surface of the skin to reach the deeper dermal layers where collagen is produced, cellular repair happens, and where many of the skin’s natural renewal processes take place.
When light energy from a class IV medical laser reaches those deeper layers, it triggers a cascade of biological activity that helps encourage the skin to renew itself from within. The result is treatment that does not just address how your skin appears on the surface, but supports the underlying processes that determine how your skin looks and feels over time.
How Class IV Laser Skin Treatment Works
The foundation of class 4 laser skin therapy is a process known as photobiomodulation: the use of targeted light wavelengths to stimulate biological responses in living tissue.3 Here is how that works in the context of skin treatment:
- Application: A trained provider at The Longevity Centers guides a handheld class IV medical laser device across the skin in a precise, controlled pattern, ensuring consistent energy delivery across the treatment area.
- Light Absorption: Specific cells in the skin absorb the light wavelengths emitted by the class 4 medical laser. The depth of penetration means both the outer epidermal layer and the deeper dermis receive therapeutic energy.
- Cellular Activation: Mitochondria within skin cells respond to the absorbed light by producing adenosine triphosphate (ATP), the cellular fuel that powers repair, regeneration, and collagen synthesis.4 With more energy available, cells can be better equipped to do the work of renewal.
- Skin Renewal Response: As treated cells become more active, patients have reported experiencing improved skin tone and texture, stimulated collagen production, reduced redness and inflammation, and a more youthful, radiant complexion over time.
Sessions are gentle and comfortable—most patients describe a mild, soothing warmth—and typically last just 10 to 20 minutes. There is no downtime required, so you can return to your normal routine immediately after treatment.
Potential Benefits of Class IV Laser Skin Treatment
Patients who undergo class 4 medical laser skin therapy at The Longevity Centers often experience a meaningful improvement in the overall health and appearance of their skin. Key potential benefits include:
- Deep dermal stimulation: Helps penetrate beyond the surface to reach the collagen-producing layers where real, lasting change can occur
- Collagen and elastin support: Can help encourage the natural production of the proteins responsible for skin firmness and elasticity
- Reduced inflammation: Can help in calming reactive, irritated, or chronically inflamed skin
- Improved circulation: Has the potential to improve blood flow to skin tissue, supporting oxygen and nutrient delivery for a healthier complexion
- Accelerated cellular renewal: Can help support and boost the skin’s natural turnover process for fresher, more youthful-looking results
- Non-invasive and drug-free: This treatment involves no injections, chemicals, or surgery
No downtime: Resume your day immediately after each session
Skin Conditions That Class IV Laser Treatment May Address
At The Longevity Centers, we use class 4 medical laser therapy to help patients address a wide range of skin concerns. These include:
- Fine lines and wrinkles: By stimulating collagen and elastin production in the deeper dermal layers, class 4 laser treatment can help soften the appearance of lines and wrinkles.
- Sun damage and age spots: Years of UV exposure can leave behind uneven pigmentation and discoloration. Laser therapy supports cellular turnover to help fade these signs of photo-aging.
- Uneven skin tone and texture: Whether caused by enlarged pores, rough texture, or inconsistent pigmentation, class IV medical laser treatment can help encourage smoother, more even-looking skin.
- Redness and inflammation: Conditions that cause chronic skin redness or irritation may respond well to the anti-inflammatory effects of class 4 medical laser therapy.
- Acne scarring: Laser treatment can help support the remodeling of scar tissue, improving the appearance of acne scars over time.
- Dull or fatigued-looking skin: When cellular energy production is boosted by class 4 laser therapy, the skin often takes on a healthier, more luminous quality that can be visible even in the early stages of treatment.
Skin laxity: Loss of firmness that comes with aging may be supported by the collagen-stimulating effects of class IV medical laser treatment.
Who Is a Good Candidate for Class IV Laser Skin Treatment?
Class IV medical laser skin therapy is a versatile treatment that works well across a broad range of skin types and concerns. It may be an excellent option for:
- Adults who want to address visible signs of aging, such as fine lines, wrinkles, and skin laxity
- Individuals dealing with sun damage, hyperpigmentation, or uneven skin tone
- Those with acne scarring or textural irregularities
- People with sensitive or reactive skin who have found harsher treatments too irritating
- Anyone looking for a proactive, non-invasive approach to maintaining their skin’s health and vitality over time
- Patients who want to complement other skincare or wellness treatments with something that works from the inside out
If you are uncertain whether class 4 laser skin treatment is the right fit for your specific skin concerns, our team will help walk you through your options during a personalized consultation before any treatment begins.
What to Expect at Your First Appointment
Your first visit for class 4 medical laser skin treatment will begin with a consultation. Our team will assess your skin, discuss your concerns and goals, and determine the best approach for your individual needs. We will also review your health history to confirm that class IV medical laser therapy is appropriate for you.
During the treatment itself, you will be comfortably positioned while our provider glides the laser device across the target area. You will feel a gentle warmth—nothing sharp or uncomfortable. Most patients find the experience pleasant and even calming.
After your session, your skin may look slightly flushed, but this typically resolves quickly. You are free to apply makeup and return to your normal activities right away.
For optimal results, most patients benefit from a series of treatments spaced over several weeks. Your provider will recommend a protocol based on your skin’s specific needs and will monitor your progress along the way, adjusting the approach as your skin responds.
Frequently Asked Questions About Class IV Medical Laser Skin Treatment
Is class IV medical laser skin treatment safe for all skin tones?
Class IV medical laser therapy is generally well-tolerated across a range of skin tones, but individual suitability depends on several factors, including your skin type, the specific concern being treated, and your health history. During your consultation, our team will evaluate your skin thoroughly to confirm that class 4 laser treatment is appropriate for you and will customize the settings accordingly.
How soon will I see results from class 4 laser skin treatment?
Some patients notice an improvement in skin tone and radiance after just one or two sessions. However, because class 4 medical laser therapy works by stimulating biological processes like collagen production, the most significant and lasting results typically develop gradually over a series of treatments. Patience pays off—-the improvements tend to compound with each session.
How many treatments will I need?
The number of sessions depends on your skin concerns and goals. Mild issues or maintenance treatments may require fewer visits, while more significant concerns like deep wrinkles, scarring, or substantial sun damage typically benefit from a more extended course. At your initial consultation, we will formulate a clear treatment plan, including an approximate timeline.
Does class 4 laser skin treatment hurt?
No, class 4 laser skin treatment is not reported to be painful. The sensation is most often described as a gentle, comfortable warmth. There are no needles, no abrasion, and no recovery discomfort.
Can class IV medical laser treatment be combined with other skincare treatments?
Yes, and in many cases we recommend it. Class IV medical laser therapy pairs well with a variety of other skin and wellness treatments offered at The Longevity Centers, which may complement other therapies as part of a broader skin health plan. Your provider can help you build a plan that makes sense for your goals.
References
- Kathryn Wheeler, “A litmus paper for our minds: how skin tells our story,” Happiful.com, July 2021, https://happiful.com/litmus-paper-for-our-minds.
- Vahid Mansouri, Babak Arjmand, Mostafa Rezaei Tavirani, et al., “Evaluation of Efficacy of Low-Level Laser Therapy,” Journal of Lasers in Medical Sciences, October 2020, https://pmc.ncbi.nlm.nih.gov/articles/PMC7736953/.
- Claudia Dompe, Lisa Moncrieff, Jacek Matys, et al., “Photobiomodulation—Underlying Mechanism and Clinical Applications,” Journal of Clinical Medicine, June 2020, https://pmc.ncbi.nlm.nih.gov/articles/PMC7356229/.
- Jacob Dunn and Michael H. Grider, “Physiology, Adenosine Triphosphate,” National Center for Biotechnology Information, National Library of Medicine, February 2023, https://www.ncbi.nlm.nih.gov/books/NBK553175/.
