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When explaining the DENSITY Alpha Tip, the phrase “two types of energy” comes up. It refers to monopolar and bipolar radiofrequency, and these are not about strong versus weak energy, but about different paths for the current to pass through the body. Different paths create heat at different depths, so different layers can be treated in one procedure. In this article, we’ve summarized the principles and why the tips are divided into several types.
When you receive a consultation for radiofrequency lifting, there is one phrase you’ll hear especially often with DENSITY: “It uses two types of energy.”
This can easily sound like it means alternating between something strong and something weak, but that is not what it means. At Secret Clinic, when we provide Gangnam DENSITY consultations, we explain this part first.
Radiofrequency is a method that sends electrical current into the tissue. Heat is generated as the tissue resists the flow of current. Rather than applying heat from the outside, this is a structure in which heat is created within the tissue.
Here, the method differs depending on where the current enters and where it exits.
In monopolar mode, the current travels a long way around before exiting. There is one electrode on the treatment side, and a large pad is attached elsewhere on the body. The current enters from the electrode, passes through the body, and exits through that pad. The path is long.
In bipolar mode, the current exits right next door. Two electrodes are placed close together, so the current flows only between them. No separate pad is needed. The path is short.
Because heat is generated where the current passes, a longer path heats deeper layers, while a shorter path heats more superficial layers.
In the literature, this difference is summarized as follows: the monopolar method is reported to reach relatively deeper layers, while the bipolar method is described as being limited to about half the distance between the electrodes. In other words, the narrower the electrode spacing, the more superficially it acts.
So bipolar mode does not become deeper simply by increasing the output. The shape of the path determines the depth. This is why the two methods should not be understood as “strong” and “weak.”
Based on the manufacturer’s materials, the DENSITY Alpha Tip is designed to support both monopolar and bipolar radiofrequency, and it is introduced as having a larger electrode area than previous tips. The device description states that a technology applying monopolar and bipolar energy sequentially has been used.
In short, it means that deep and superficial layers can be treated separately in one procedure. It is closer to combining two separate treatments into one.
However, a larger electrode area means a wider area of contact at once, not that it works more strongly. These are different things.
DENSITY tips come in several types. If you look at the electrode areas listed in the official materials, it becomes clear why they are divided. The Alpha Tip and Face Tip are 2×2cm, the Eye Tip is 0.5×0.5cm, and the Body Tip is 5×3.2cm.
If you place a large electrode on a narrow, curved area such as around the eyes, it will not make even contact with the skin. Conversely, using a small electrode on a large area takes longer and can lead to overlapping passes. The tip is not a grade of performance, but a size matched to the area.
So when you ask during a consultation, what matters is not the name of the tip being used, but why that specific size was chosen for that area of your face.
Because this is a heat-based procedure, you may feel warmth or a pulling sensation during treatment. The literature notes that the monopolar method tends to be associated with relatively greater pain.
After treatment, mild redness or swelling may appear, and it is generally reported to subside within a few hours. Rare cases of blisters or superficial burns have been reported, and the literature cites excessive energy settings or operator handling as possible causes.
And there is one thing you should definitely know. If anesthesia is made too deep, the sensation of heat during the procedure becomes less noticeable. The patient saying “it’s hot” serves as a safety check to prevent overheating, and the literature points out that if that signal is weakened, the risk of epidermal injury may increase. It is natural to want anesthesia if you are concerned about pain, but it is better to discuss this point in advance.
The changes achieved are not permanent. Aging continues after the procedure. And if there are metal implants or a cardiac pacemaker in the treatment area, or if you are pregnant, you should first discuss whether to proceed.
If you are comparing several dermatology clinics near Gangnam Station, it is practical to ask the following.
· Which type—monopolar or bipolar—you plan to use more often, and why
· Which area will receive which size tip
· How anesthesia will be handled, and how reduced heat sensation will be managed in that case
· Which areas do not need to be treated right now
A consultation that provides answers to the last question is generally more trustworthy. At Secret Clinic, we conduct consultations in this order as well.
DENSITY’s “two types of energy” refers to monopolar and bipolar radiofrequency, and the difference between them is not strength but the path the current takes.
A longer path heats deeper layers, and a shorter path heats more superficial layers. That the Alpha Tip supports both methods means that two layers can be treated separately in one session.
And the different tip types are not levels of performance, but sizes matched to different areas. At Secret Clinic, we choose tips based on this standard as well. What should be decided in the consultation is not the device name, but which layer and which area of my face will be treated.
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