What are the differences between low- and high-frequency ultrasound for fat reduction?

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1 year ago

To lose fat, people turn to eat less or exercising. However, following through with them can be a challenge, especially through exercise. Many people feel excited and confident at first, but eventually, give up halfway. Are there other ways to achieve our goals? The answer is ultrasonic cavitation.

Ultrasound is widely used in cosmetic machines to remove localized fat. For this reason, ultrasonic cavitation machines stand out. It enjoys high popularity among people seeking beauty. In short, many people have benefited from this technology and procedure. Ultrasonic cavitation machines can apply frequencies of 30k (30,000 Hz), 40k, 60k, and 80k. So what's the difference? And how do the different frequencies of ultrasonic cavitation machines affect fat removal?


What is ultrasound?

Before we go any further, it is necessary to have an idea of this concept: ultrasound. According to Wikipedia, ultrasound is a sound wave whose frequency exceeds the upper limit of human hearing. Ultrasound and audible sound are physically identical, except that humans cannot hear ultrasound. The lower and upper limits of audible frequencies for the human ear are 20 Hz to 20,000 Hz. However, ultrasonic devices use frequencies from 20 kHz to several gigahertz (as shown in the figure below).


How does an ultrasonic cavitation machine work?

Ultrasound or ultrasonic cavitation is a non-surgical and non-invasive method of fat reduction. The ultrasonic cavitation machine applies the principle of ultrasound. It uses an ultrasonic transducer to produce powerful sound waves. As the waves enter the body, they consume heat and water from within the fat cells, which causes them to shrink.

In addition, as the waves vibrate, they cause a strong impact on the fat cells. The force exerts pressure on the cells and immediately causes them to rupture, which are processed by the lymphatic system and excreted from our body through various channels. In this way, there are fewer and fewer fat cells. Thus, fat removal comes true.


What are the differences between 30 kHz ultrasonic and 40 kHz ultrasonic?

Before we delve into this issue, we should clarify some concepts.

Four factors may affect the performance of an ultrasonic cavitation machine: ultrasonic frequency, intensity, mode, and time. Frequency is usually expressed in Hz (hertz), MHz (megahertz), and GHz (gigahertz). It indicates how many ultrasonic oscillations are emitted per second. For example, 1 MHz is 1 million oscillations per second. The higher the frequency, the shorter the wavelength; the shorter the wavelength, the lower the penetration depth. In short, the lower the frequency, the more powerful the energy it produces.

The 30k ultrasonic cavitation machine outperforms the 40k ultrasonic cavitation machine in terms of penetration and directionality. According to the principle, the 30k emits longer, more concentrated sound waves. This feature allows the waves to penetrate deeper into the skin and maintain their power at the same time. Therefore, if we use both to remove a person's localized fat, the former can provide better results. All things being equal (e.g. the same thickness of fat), a 30k is more time-efficient and more productive. This also means that we can reach our goal with less treatment time.


What are the targeted areas for ultrasonic cavitation?

The procedure is best suited for body areas with localized fat. These body parts include.

·Arms (to tighten loose and soft skin).

·The abdomen (remember that you should not place the handpiece on its lower part, where the reproductive organs are located).

·The sides and lower part of the back.

·Legs (to eliminate fat deposits and cellulite and make them slimmer)

·The buttocks (to make them firm).

Note: It should not be performed on the heart, bones, or areas with thin skin. Otherwise, it may trigger negative consequences, such as impaired blood circulation and painful sensations.


Introduction to an ultrasonic cavitation machine

There are various ultrasonic cavitation machines available in the market to meet our needs, with 30kHz and 40kHz ultrasonic cavitation machines being the first and preferred choice for beauty salons or personal use. You can find some of the best cavitation machines from myChway, a professional beauty machine supplier and one-stop beauty treatment solution provider in Shenzhen, China.

The machine pictured above is a 40k ultrasonic cavitation machine, one of the best of its kind in myChway. It uses the same principle as above. In addition, it has a new ultrasonic transducer with high efficiency and low energy loss.



This paper clarifies the application of different frequencies of ultrasonic cavitation machines and their effect on fat removal. It is a better option than liposuction, dieting, exercise, etc. However, we should keep in mind that if we combine the procedure with vacuum therapy and radiofrequency machines, we can achieve better localized fat reduction results. It would be myChway's pleasure if you find this article helpful in your life.

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