HIFU is a non-invasive cosmetic procedure that uses high-intensity ultrasound waves to target and heat deep tissue layers, stimulating collagen
production and tightening the skin. Several studies have evaluated its efficacy and safety in skin tightening for various areas of the face and body,
including the crow's feet wrinkles around the eyes.
One such study published in the journal of cosmetic and laser therapy in 2018 evaluated the efficacy and safety of HIFU for non-invasive skin
tightening of crow's feet wrinkles in 20 female participants. The study found that a single session of HIFU resulted in a significant improvement
in skin tightness and reduction in wrinkles at 12 weeks post-treatment. Moreover, this improvement was maintained at 24 weeks post-treatment,
suggesting that HIFU can provide long-lasting skin tightening effects.
However, it is important to note that the effectiveness of HIFU may vary depending on the individual's skin condition, age, and other factors, and
multiple sessions may be required to achieve optimal results. Additionally, as with any cosmetic procedure, there may be some risks and potential
side effects associated with HIFU, including temporary redness, swelling, and tingling sensations.