How long does it take for the side effects of ultrasonic knife to appear

Nowadays, beauty salons can perform more and more beauty projects, giving female friends more choices. People can see a lot of advertisements about ultrasonic knife on TV. This beauty project can restore the skin to a firm and plump state, making people look younger. There is no surgery in the world without any side effects. How long does it take for the side effects of ultrasonic knife to appear? Let’s learn about it together~

1. Is ultrasonic scalpel safe? How long can it last?

The ultrasonic knife uses the principle of sound wave focusing to stimulate the contraction of the SMAS layer fascia and the regeneration of the body's own collagen to achieve the effect of lifting, tightening and plumping. All cosmetic surgeries carry certain risks.

The duration of the effect can generally be said to be a lifetime, because you will always be younger if you do it than if you don't. Depending on your own aging situation, it usually lasts 1-2 years.

2. Harmful side effects of ultrasonic scalpel

The main reason for the side effects of ultrasonic scalpel is the deep damage caused by high temperature. The harm of ultrasonic scalpel is that after the deep high-temperature burning of the skin, the possible side effects of ultrasonic scalpel are manifested as redness, swelling, bubbles; the repair cells cannot be started, and dryness, dullness, spots, etc. appear; the skin forms a vicious circle, the imbalance of new cells and the failure of repair after local cell damage will appear, there will be collapse, facial depression, blistering, uneven growth of new collagen fibers, cortical necrosis, stiffness and other side effects.

3. The following types of people are not suitable for ultrasonic knife:

1. People with too much subcutaneous fat (the kind of baby fat when they are young) have loose skin as they age, and the support of their face collapses like a landslide.

2. Elderly people who are too old (over 70) with severely loose skin and severe wrinkles. What they need more is to reshape the bone support structure, and the effect of ultrasonic knife is limited.

3. In addition, there are some people who are not suitable: pregnant women, people with severe heart disease, diabetes, hyperthyroidism, advanced tumor patients, people with unhealed surgical wounds, people who have injected botulinum toxin within one month, and people who have unrealistic fantasies about the effect.

4. There are open wounds or lesions at the treatment site, severe or cystic acne at the treatment site, metal implants at the treatment site, or implanted devices (e.g., pacemakers or defibrillators) are being used.

The whole face treatment of ultrasonic knife takes about 60 minutes, and the effect can last for about two years. The time varies according to individual constitution and reaction. For most people, the effect is most obvious 2-6 months after treatment. A course of treatment can last 2-3 years.