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Understanding Ultrasonic Cavitation

April 4, 2022

Cavitation is one of the most requested aesthetic treatments today, however, with so many technologies to choose from it is often misunderstood. This article attempts to provide you with a little background about the technology and how it can be applied, as well as precautionary considerations.

Using ultrasound, cavitation creates a controlled generation of micro-vacuum bubbles that break down fat cells without affecting surrounding structures, respecting the integrity of the blood and the lymphatic system.

According to a recent report, ultrasonic cavitation has achieved great popularity in a very short time, equally among both men and women, as it opens the possibility of realising the dream of a beautiful, sculpted body without surgical intervention and little downtime. 

Ultrasonic cavitation is a non-surgical reduction of localised fat, using a low-frequency ultrasound that is applied on the surface of the skin without any incisions or anaesthetics required.

The treatment

Cavitation is designed specifically to eliminate cellulite and localised fat.  Minimal side effects that may be felt include local erythema, temporary micro-spotting, or the sensation of ringing in the ears during the session.

With regards to precautions and contra-indications, clients who have heart disease, epilepsy, pacemakers, hearing disorders, cancer, prosthetic metal zones, or those who are pregnant, or menstruating should consult with their doctor and may need to bring a signed doctor’s note allowing this procedure to be applied.  For clients with liver or kidney disease (kidney stones, transplants and so on, it is best to avoid cavitation).


Ultrasonic cavitation, although relatively safe is not totally without risks.  It should only be undertaken by a highly trained practitioner who has completed both a comprehensive technical (theoretical) as well as a hands-on training course that is supported by certification.

Training will include in-depth understanding and competence on how to determine and adapt the power and depth of this technology to the anatomical location of the treatment area and to the structure on the volume of the client’s adipose tissue.  In terms of benefits, the client will experience the benefits over a period of time depending on his or her health. 

Prolonged treatment or an ultrasound frequency between 35 -42 kilohertz (even as low as 30 kilohertz), could go deeper and can result in the damage of the abdominal muscle wall or irritate internal organs, this is why it is critical that any practitioner undertaking this procedure is thoroughly trained, not just in how to operate the machine, but also a thorough understanding of how the technology works, as well as careful and comprehensive training of client assessment for this treatment and potential contraindications. 

While this technology can be an excellent tool to help smooth out body shape risk factors must also be taken into consideration.

If your supplier is happy to provide you with a 2–3-day training only, please seek further education – APAN does not consider this adequate for undertaking ultrasonic cavitations.

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