In short. Some skin problems are structural. What scar revision, excision and fat grafting each change, what they trade, and when surface treatment has stopped helping.
Key points
- It does not remove pigment, and it does not improve the quality of the skin around it.
- A plan that needs both is arranged in stages, with the structural correction and the surface treatment sequenced rather than combined, so that each is judged on its own.
Most of the options on this site change the surface or stimulate the tissue. A few problems are neither. A scar that pulls, a fold of skin that hangs, a contour that has hollowed: these are structural, and the honest answer for them is an operation rather than a longer course.
Scar revision is a trade, not an erasure
A scar that is wide, tethered to the tissue beneath it, or lying across the direction in which the skin stretches can be revised. The tissue is released, reoriented along the lines of least tension, and closed in layers so that the tension sits below the surface. The result is a different scar: narrower, flatter and less conspicuous, and still a scar. It matures over months rather than weeks, and the redness that follows is part of the process rather than a sign that something is wrong.
Excision removes skin, which nothing else does
Excision removes a piece of skin and closes the defect directly. It is the only option here that changes the amount of skin, which makes it the answer for skin that has lost its recoil and hangs, whether on an eyelid, the neck or elsewhere, and for a surface that has been damaged so extensively that resurfacing has nothing left to work with. It is also how a lesion that should not be there is removed and sent for examination, and in that case the decision is medical rather than aesthetic.
Fat grafting restores a contour
Where the problem is a hollow rather than a surface, a small amount of the patient's own fat can be placed beneath the skin to refill it. This is used for a depressed scar that is tethered, and for volume lost after an earlier procedure. Part of what is placed is reabsorbed by the body, so the plan accounts for that from the start and a second session is sometimes needed to reach the intended result.
When surface treatment has stopped helping
A course of resurfacing or needling reaches the surface and the tissue a few layers down. Where it has improved texture and the remaining complaint is firmness, a tether or a hollow, further sessions are not the answer. That is not a failure of the course: the finding in front of you belongs to a different part of the plan, and the useful step is an assessment rather than another booking.
What an operation on skin does not do
It does not remove pigment, and it does not improve the quality of the skin around it. A plan that needs both is arranged in stages, with the structural correction and the surface treatment sequenced rather than combined, so that each is judged on its own.
Before any operation
- A lesion, mole or sore that has not been examined and diagnosed.
- Skin that is inflamed, infected or actively broken out in the area to be operated on.
- A history of scarring that spread beyond the original wound, which should be disclosed first.
Frequently asked questions
Will a revised scar look better than the one I have?
Usually finer, not invisible, and that is the honest expectation to hold. A revision replaces a scar that is wide, tethered or badly oriented with one that is narrow and lies along the lines of least tension. It is still a scar, it still takes months to mature, and its final appearance is judged after that period. The conversation before an operation is about the improvement that is realistic rather than about removal.
Can an operation remove a pigment mark?
Not in the sense people usually mean. Cutting out a pigmented patch leaves a surgical scar where the patch was and does not change the behaviour of the pigment cells around it, so a mark can return next to the scar. Pigment is treated by moderating pigment production, not by excision. The exception is a lesion that has to be removed for examination, which is a medical decision rather than an aesthetic one.
How long is the recovery after excision or a revision?
It depends on where the scar is, how much skin was removed and how the closure was planned. Most people are back to ordinary activity within days and are advised to avoid straining the area for a period measured in weeks rather than days, because a closure under tension widens. The scar then matures over several months, and what you see at two weeks is not the result.
Risks & Limitations
- Every skin treatment carries risk, and no result can be promised.
- Pigment often returns after treatment, especially after sun exposure, because the cells that produce it remain in place.
- Skin that marks easily after injury can darken or lighten after a treatment, which is why a test spot is used to judge the risk.
- Results are judged over months rather than weeks, and maintenance is often needed to hold them.
When to Seek Care
- A mole that is changing in size, shape or colour, or one that bleeds, itches or crusts.
- A spot, sore or crusted patch that has not healed over a few weeks.
- A rash with fever, joint pain, mouth ulcers or blistering, or one that involves the eyes or mouth.
- A treated area that becomes increasingly painful, red, hot and swollen, which may be an infection.
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
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.