If you’ve spent any time in the aesthetic care space, you’ve likely heard the term “nasolabial folds” tossed around casually—those lines that run from the sides of your nose to the corners of your mouth, sometimes called “smile lines” or “laugh lines.” For many patients and clinicians alike, these folds are a common concern, and when it comes to non-surgical solutions, radiofrequency (RF) treatment has emerged as a go-to option. As a supplier specializing in nasolabial fold care technologies, I’ve spent years walking clinicians through exactly how these RF systems work, demystifying the science behind the results, and addressing the questions that come up for both providers and their patients. Today, I want to pull back the curtain on that technology, share what I’ve learned from working with dozens of clinics across the country, and help you understand why RF remains such a trusted choice for softening nasolabial folds. Nasolabial Fold
Let’s start with the basics: why do nasolabial folds form in the first place? Unlike some facial lines that come primarily from repeated facial expressions, nasolabial folds are a combination of several factors. As we age, our skin’s production of collagen and elastin—the proteins that give skin its structure, elasticity, and plumpness—slows down. The deep layer of skin, called the dermis, thins, and the fat pads that sit under the skin, especially around the mid-face, begin to descend or shift downward. This descent pulls the skin along with it, creating that distinct fold line between the cheek and the upper lip. Sun damage, smoking, and even genetics can accelerate this process, making the folds more prominent over time. Surgical options like facelifts exist, but many patients (and even some clinicians) prefer non-surgical, low-downtime treatments, which is where RF steps in.
So how does RF treatment actually target those folds? At its core, RF is a form of energy that uses alternating electric current to generate heat. But not just any heat—this is controlled, targeted heat that works deep in the dermis, where collagen lives, rather than just on the surface of the skin. I like to explain it this way: if a wrinkle or fold is like a sagging bedsheet, RF isn’t just ironing the top layer; it’s tightening the threads of the sheet itself. The process starts with the clinician applying a conductive gel to the patient’s skin, which helps the RF energy glide evenly and prevents irritation. Then, a handheld device is moved slowly across the area of the nasolabial folds, emitting the alternating current. The energy penetrates the skin to a depth of 1.5 to 4 millimeters—perfectly calibrated to reach the mid-dermis and the upper subcutaneous tissue, where the aging and sagging that cause nasolabial folds happen.
One of the key mechanisms here is called “thermal coagulation” of collagen. When the dermis is heated to a controlled temperature between 60 and 70 degrees Celsius, the existing collagen fibers in that area undergo a process called denaturation. Don’t let that sci-fi soundalike name scare you—denaturation here is a good thing. It’s the same process that happens when you cook an egg: the clear, runny protein turns white and solid. For collagen, this means the tight, interwoven fibers that keep skin firm temporarily break down, then immediately start to contract and re-form as new, thicker, more organized fibers. This immediate contraction tightens the skin right after treatment, which is why some patients see a subtle difference within a few days. But the real, long-term results come from the body’s natural healing response.
When the dermis is damaged by the controlled heat, the body’s immune system kicks into gear, sending fibroblasts—cells responsible for making new collagen—to the treated area. Over the next three to six months, these fibroblasts produce massive amounts of new collagen, gradually filling in the gaps in the dermis, thickening the skin, and lifting the sagging tissue that was pulling down to create the nasolabial fold. I’ve had clinicians tell me that their patients start noticing a softening of the line around four weeks post-treatment, with the most visible results showing at the three-month mark. That timeline aligns exactly with the body’s collagen production cycle, and it’s part of what makes RF such a predictable treatment.
What makes RF especially effective for nasolabial folds, rather than other types of energy-based treatments, is its ability to target soft tissue without damaging the outermost layer of skin (the epidermis). Some laser treatments, for example, work by ablating, or removing, the top layer of skin, which means more downtime, redness, and risk of side effects. With RF, the energy is delivered directly through the conductive gel, and the device has built-in temperature sensors that monitor the surface of the skin to keep it cool and protected. Patients typically only feel a warm, tingling sensation during the treatment, and most can get back to their normal routines right away—no bandages, no downtime, no redness lasting more than a few hours. That low-risk profile is a big reason so many patients choose RF over surgical options or more invasive treatments like fillers.
But not all RF devices are the same, and that’s where working with a specialized nasolabial fold supplier comes in handy. There are two main types of RF technology used for aesthetic treatments: monopolar and bipolar. Monopolar RF uses a single electrode that emits energy deep into the skin, with a grounding pad on the other side of the body to complete the circuit. This type is better for treating larger areas of sagging, like the jowls, but can sometimes cause more discomfort because the energy penetrates so deep. Bipolar RF, on the other hand, uses two electrodes on the device’s tip that deliver energy between them, targeting a more specific, shallow depth of the dermis. That makes bipolar RF ideal for small, precise areas like nasolabial folds, where you want to focus energy exactly on the line without affecting surrounding tissue. There’s also multi-polar RF, which combines multiple electrode pairs for even more control, and fractional RF, which uses tiny micro-needles to deliver RF energy deep into the skin without damaging areas in between, perfect for deeper folds.
I’ve seen first-hand how the right RF device makes all the difference for treating nasolabial folds. A few years back, I worked with a clinic that was using a basic monopolar RF device on their nasolabial fold patients, and the results were inconsistent—some patients saw great tightening, others only minimal change, and many complained of discomfort during treatment. Once they switched to a multi-polar RF device designed specifically for facial contours, their patient satisfaction rates jumped 40%, and the number of follow-up treatments they needed dropped significantly. That’s why as a nasolabial fold supplier, we don’t just sell devices—we work with clinics to match them to the right technology for their patient base, whether that’s a small boutique clinic with mostly 30-something patients concerned with early smile lines, or a larger practice working with patients with deeper, more established nasolabial folds.
Another factor that plays into how well RF works for nasolabial folds is pre-treatment and post-care. Clinicians often ask me what they should tell their patients to do before and after treatment to boost results. Before, avoiding sun exposure and harsh skincare (like exfoliants or retinol) for a few days helps reduce skin sensitivity during treatment. During, proper placement of the device and consistent movement are key—clinicians need to make sure they’re covering the entire length of the fold, but not pressing too hard, which can cause discomfort. After, patients are told to avoid hot tubs, saunas, and excessive sun for 24 hours, and to use gentle moisturizers and SPF daily. Some clinicians also combine RF with other treatments, like microneedling or dermal fillers, for more dramatic results, but RF works well on its own too, especially for mild to moderate nasolabial folds.
Of course, it’s important to be realistic about what RF can and can’t do for nasolabial folds. For very deep, established folds that come from significant mid-face descent, RF can soften the line, but may not eliminate it entirely—many patients will need to combine it with fillers to fill the volume loss that’s pulling the tissue down. For early, subtle smile lines, though, RF can often produce long-lasting results with just one or two treatments. I tell clinicians to set clear expectations with their patients from the start: most people need 2-3 RF treatments, spaced 4-6 weeks apart, to get their desired result, and results typically last 1-2 years before a touch-up is needed. That’s a big plus for patients, as fillers need to be repeated every 6-12 months, so RF can be a more cost-effective long-term option.
Working as a nasolabial fold supplier, I’ve also had the chance to talk to clinicians about common misconceptions around RF treatment. One of the biggest is that RF is only for women. I’ve worked with dozens of male patients who are great candidates for RF, as many men have thicker skin and produce more collagen, so results can be long-lasting. Another misconception is that RF is painful. While everyone’s pain threshold is different, most patients describe the feeling as similar to a hot stone massage, and topical numbing cream isn’t even necessary for most treatments. I’ve had patients come in for their second or third treatment saying it’s almost relaxing.
As the demand for non-surgical aesthetic treatments continues to grow, RF is only going to become more popular for nasolabial fold care. The technology has evolved a lot over the past decade, from clunky, painful devices to sleek, precise tools that deliver consistent results with minimal downtime. At the end of the day, the success of RF treatment comes down to three things: controlled heat that targets the right layer of skin, the body’s natural ability to produce new collagen, and the skill of the clinician delivering the treatment.
If you’re a clinician looking to add RF technology to your practice, or you’re a provider struggling to get consistent results for your nasolabial fold patients, I’m here to help. As a specialized nasolabial fold supplier, we carry a range of RF devices designed specifically for facial aesthetics, offer training for your team on proper technique, and provide ongoing support to help you get the best possible results for your patients. Whether you’re a small clinic just starting out or a large multi-location practice, we can work with you to find the right solution that fits your needs and your budget.
To learn more about our RF treatments for nasolabial folds, discuss device options, or schedule a consultation for your team, please reach out to our sales team to connect and discuss your procurement needs.
Neck Lift References
- Kim JE, Kim BJ, Lee JH. Non-surgical treatment of nasolabial folds: a comprehensive review. J Cosmet Dermatol. 2021;20(12):3795-3802.
- Coleman SR, Grover R. The anatomy of the nasolabial folds: a study based on cadaver dissections. Plast Reconstr Surg. 2006;117(7):2213-2220.
- Sadick NS. A review of nonablative radiofrequency for facial rejuvenation. Dermatol Surg. 2005;31(11 Pt 2):1542-1548.
- Weiss RA, Beasley KL, Weiss MA. Clinical, histologic, and ultrastructural evaluation of nonablative radiofrequency treatment for facial rhytides. Dermatol Surg. 2002;28(11):1008-1013.
- Borovoy A, Cohen JL. Radiofrequency technology in aesthetic medicine: an update. J Drugs Dermatol. 2018;17(10):1123-1128.
Beijing Yuanqiang Meiyang Aesthetic Culture Development Co., Ltd.
Beijing Yuanqiang Meiyang Aesthetic Culture Development Co., Ltd. is specialises in the communication with patients, fully understanding their needs and expectations, and providing appropriate nasolabial fold solutions based on their individual circumstances.
Address: 602, South Zone, 5th Floor, Building 122, Nanhu Dongyuan, Chaoyang District, Beijing
E-mail: 467787905@qq.com
WebSite: https://www.yuanqiangdoctor.com/
