In short. Which problem is being treated, how superficial the placement will be, and the plan if the result is a lump rather than a softened shadow.

Key points

  • What happens if the result is a lump or a tint rather than a softened shadow?
  • A clinic that describes the plan for that outcome before you agree is describing the treatment honestly.
  • A clinic that treats the question as unlikely is describing a version of the treatment in which nothing goes wrong.

The consultation is where this decision is actually made, and the questions worth asking are narrow. They are about the finding, the placement, the plan if the result is wrong, and the course the treatment belongs to.

About the finding

Ask which problem has been identified, and how. A hollow, a herniated fat pad, pigment, visible vessels and fluid retention are five different findings, and only one of them is answered by an injection. Ask what was seen when you looked up, and what the pattern is through the day. A consultation that cannot answer these is planning a treatment rather than assessing a problem. Ask as well whether the finding is likely to change over the next few years, because that decides whether treating it now or later makes more sense.

About the placement

Ask how deep the material is planned to go and what keeps it there. Ask which part of the trough is being treated and which part is being left. Ask how much is planned for the first session and how many passes it involves. These are ordinary technical questions, and they are the ones whose answers separate a plan from a habit.

The answer that matters most

What happens if the result is a lump or a tint rather than a softened shadow? A clinic that describes the plan for that outcome before you agree is describing the treatment honestly. A clinic that treats the question as unlikely is describing a version of the treatment in which nothing goes wrong.

About the course

Ask when the review is and what it is for. Ask how many visits a year of maintaining this would involve, and what would make the plan stop rather than repeat. Ask what the third or fourth session is expected to add, given that each begins from the shape the last one left, and what would make the plan stop rather than repeat. A plan with a stopping condition in it is a different thing from one that continues until somebody is unhappy.

About the setting

Ask what is kept on site for a vascular problem, who is available out of hours, and what happens if the skin changes colour during the injection. Ask who performs the treatment and what their training in this area is. These are questions about what is behind the operator rather than about the operator alone, and they are the ones that decide where this treatment belongs.

Answers that should end the conversation

  • That the treatment removes bags, lightens dark skin, or works on any kind of darkness.
  • That a review is unnecessary, or that more material at the review is the routine answer.
  • That nothing can go wrong, or that dissolving reverses anything at any time.

What the assessment should have established before those questions are answered is in How the Lower Lid Is Assessed Before Any Injection. The findings that should end the discussion altogether are in When to Say No to Tear Trough Filler.

Related reading

Frequently asked questions

What is the most important question to ask?

Which finding has been identified. Ask whether what is being treated is a hollow, a fat pad, a colour problem or fluid, and ask how that was decided. Everything else in the consultation follows from that answer, and a consultation that cannot give it is planning a treatment rather than addressing a problem.

Should I ask to see before and after photographs?

They are worth seeing, with two caveats. Photographs taken with a flash lose the very shadow being treated, so they can make a result look better than it does in daylight. And a result in someone else’s face says little about yours, because the finding being treated may not be the same one.

What should I ask about the person treating me?

Ask who performs the injection, what their training in this specific area is, and who is available if something goes wrong after hours. The tear trough is one of the more demanding places on the face to inject, so the answer to those three questions matters more here than the location of the clinic.

Risks & Limitations

  • The infraorbital vessels run close to the plane the material is placed in, and their position varies between people. Material entering one can travel toward the circulation around the eye: skin can be lost, and in rare cases vision is affected. This is time-critical rather than cosmetic.
  • The lower lid is the thinnest skin on the face, so material placed too near the surface can show through it as a grey or blue-grey tint, and a lump here is visible in a way a lump in the cheek or the jaw is not. Only the reversible class can be broken down, and dissolving is its own procedure with its own risks rather than a clean undo.
  • This region drains the worst on the face. Swelling lasts longer here than anywhere else, morning puffiness can persist for months, and repeated filling raises the baseline until the under-eye is puffy in a way that reads as a bag.
  • Filling a bulge makes it worse: material placed beneath a herniated fat pad raises the surface around a mound that is still there, and the eye reads heavier rather than rested. Where the finding is a fat pad, the treatment that addresses it is an operation.

When to Seek Care

  • Any change in vision, including blurring or a patch of lost sight — seek emergency care immediately.
  • Severe pain out of proportion to the injection, or pain that is worsening rather than settling.
  • Skin turning white, grey, mottled or dusky anywhere near the treated area.
  • Swelling that is increasing after the first few days rather than settling, or fever with spreading redness, warmth or discharge.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure 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 Ke He, MD (何锞), Deputy Director & Head of Skin & Laser Aesthetics. 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.