In short. Who holds the transducer, which depth lines are planned, and what the review looks like if nothing measurable has changed. A short list that changes the result.

Key points

  • Ask what the plan does if nothing measurable has changed at two to three months.
  • A clinic with an answer has thought about the ceiling; a clinic without one has not.
  • The answer should be that the course stops, that the reason is explained, and that the alternatives are set out again rather than replaced by another session.

Most of what decides whether this treatment is worth having is settled before the first session, in the answers to a handful of questions. None of them is difficult to ask. What they do is move the conversation from what the treatment is to what it would do in your case.

Who holds the handpiece, and how often

The result comes from the operator's decisions rather than from the equipment. Ask who performs the treatment, how many they have performed, and what they do differently for a thin face or for someone with a previous nerve problem. An answer that describes adjusting the depth area by area is more informative than one that describes the device.

Which areas are planned, and which are left

Ask which parts of the face and neck are to be treated, which are deliberately left alone, and why. This is the question that reveals whether the plan was made for your anatomy. A plan that treats everything identically has not been thought about at the edges, and the edges are where the uncommon problems live.

How many sessions, and what the review is for

Ask how many sessions the plan involves, how far apart, and what happens at the review. The answer that matters is not the number, but whether the review is a judgement point at which the course can end or an appointment that leads to the next session by default.

The question that is hardest to ask

Ask what the plan does if nothing measurable has changed at two to three months. A clinic with an answer has thought about the ceiling; a clinic without one has not. The answer should be that the course stops, that the reason is explained, and that the alternatives are set out again rather than replaced by another session.

What to expect afterwards, and who to contact

Ask what the first few days usually involve, what would be unusual enough to report, and who to contact if something changes outside clinic hours. Numbness or tingling should be written down before you leave, so ask for that. A clinic that can describe the first ten minutes as clearly as the first fortnight is the setting this treatment belongs in.

What it costs in time, not only in money

Ask how long each session takes out of a day, how many visits the plan involves including the review, and the realistic interval between them. A plan that quotes a price without a number of visits has not described what you are agreeing to.

Ask again if the answers are

  • That the depth is a technical detail and you do not need to know about it.
  • That the number of sessions depends on how you respond, with no review point named.
  • You are told the result is guaranteed, or that an operation is never needed after it.

What the depth decision changes is set out in The Depth Setting Decides the Result. What the review is for is described in Results Over Months, Not Days.

Related reading

Frequently asked questions

What is the single most useful question to ask?

What happens if nothing measurable has changed at the review. A clinic with a clear answer has thought about the ceiling, has a stopping condition, and can tell you what it would do instead. A clinic without one is describing a course that continues until somebody is unhappy, which is usually the patient.

Should I ask how many treatments the operator has performed?

Yes, and also what they do differently for a face that is thin, or for someone with a previous nerve problem. The number by itself is less informative than the reasoning. The result comes from decisions about depth and boundaries rather than from the equipment, so the reasoning is what you are assessing.

Is it reasonable to ask for a second opinion before agreeing?

It is reasonable, particularly where an operation has been mentioned as an alternative. A second opinion is not a sign of distrust; it is how a decision about a course of visits is normally made. Where the answer is that tightening cannot reach your problem, the second opinion is worth having before further sessions rather than after them.

Risks & Limitations

  • The result builds slowly and modestly, over roughly two to six months, and no outcome can be guaranteed. At the review point, more sessions of the same treatment are unlikely to be the answer if a standardised photograph shows nothing measurable.
  • Patches of numbness and tingling over the treated area are common after a session. They usually settle over days to weeks, and a patch that spreads rather than shrinks, or that is unchanged after several weeks, requires assessment.
  • Brow weakness and a change in contour are uncommon, and they follow treatment at the wrong depth. The layer being treated sits near a small sensory nerve in some places and near a nerve that moves muscle or a compartment of fat in others, so the depth is an anatomical decision rather than a technical setting.
  • The surface is left intact, so there is no wound and no resurfacing effect. Pores, scars, pigment and creases etched into the skin are not changed, and nothing here removes skin or repositions a face that has descended.

When to Seek Care

  • A numb or tingling patch that is spreading rather than shrinking, or that is unchanged after several weeks.
  • Any weakness in the brow, any difficulty closing an eye, or a change in the shape of the face.
  • A blister, a burn or spreading redness at the surface, or pain that is worsening rather than settling.
  • Fever with warmth or discharge in the treated area — infection is uncommon because there is no wound, but it requires prompt assessment.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure and safety guidance
  • International Society of Aesthetic Plastic Surgery (ISAPS) — global aesthetic practice and safety guidance
  • National Institute for Health and Care Excellence (NICE, UK) — relevant guidance
  • Cochrane Library — systematic reviews
  • Chinese Medical Association Plastic Surgery Branch — clinical guidance

Medically reviewed by Tongchun Mao, MD (毛彤春), Deputy Director & Head of Aesthetic Surgery. Last reviewed: 19 September 2026.

This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.