In short. The honest shape of the twelve to eighteen month scar course, why a scar looks worse at six weeks than at six months, and the one thing that never changes.
Key points
- A photograph taken at six weeks and another at six months look like two different scars, and neither is the final one.
- That is why an assessment made early is a snapshot of a process rather than a verdict, and why a scar that is being followed is judged against a dated series of photographs rather than against memory.
A scar does not arrive finished when the wound closes. At that moment it is at its most active: the tissue that sealed the wound was laid down quickly and without much organisation, and it is reorganised slowly over the following year. Knowing the shape of that year is what makes it possible to tell whether what you are seeing is the schedule.
The first six weeks
Once the wound has closed, the scar reddens, thickens and firms. It may itch, sting or feel tight, and it is often tender to press. It is at its most conspicuous somewhere around the sixth week rather than the sixth day, which is the opposite of what most people expect, and it is the reason a scar that looks alarming a month in is usually not a scar that is going wrong.
Three to six months
The redness often deepens before it begins to fade, and the scar stays firm. This is the phase in which patients most often ask for something to be done, and the phase in which least can usefully be done, because the scar is still building. Sun protection and whatever measures your team recommended are what this period is for.
Six to twelve months
The change becomes easier to see. Redness shifts toward pink and then toward the tone of the surrounding skin. Height comes down, the surface softens and itching usually settles. The scar may widen a little as it does so, staying inside the original wound.
Six weeks and six months are not the same scar
A photograph taken at six weeks and another at six months look like two different scars, and neither is the final one. That is why an assessment made early is a snapshot of a process rather than a verdict, and why a scar that is being followed is judged against a dated series of photographs rather than against memory.
Twelve to eighteen months, and beyond
Most scars reach something close to their settled state between twelve and eighteen months and go on changing slowly after that. Some take longer without anything being wrong. Scars on the chest, the upper back, the shoulder and the jaw mature more slowly than scars elsewhere, and darker skin often holds redness for longer, so a scar on a site like that can still be visibly active at two years.
What does not change is the fact worth stating plainly. A scar is permanent. Maturation alters its colour, its height and its firmness, and that can make a considerable difference to how noticeable a scar is. It does not make scar tissue go away, and no treatment does.
What does not belong to the schedule
- A scar growing beyond the edges of the original wound — have it assessed within days.
- Redness with heat, swelling or discharge, or a fever — seek care the same day.
- A wound that has opened, or a scar tightening across a joint — prompt assessment.
Frequently asked questions
What does a scar look like at six weeks?
Red, raised, firm and often itchy or tender, and more conspicuous than it was at six days. That is the expected appearance at six weeks rather than a sign that the scar is going wrong. It is the point at which the healing tissue is at its most active and least organised.
Does a scar get worse before it gets better?
Often, yes. Redness frequently deepens before it begins to fade, and a scar under tension can still be gaining height at three months. The change of direction usually comes between three and six months, after which colour fades slowly and height comes down more slowly still.
Is a scar still changing after a year?
It can be. Most scars reach something close to their settled state between twelve and eighteen months, but scars on the chest, the upper back, the shoulder and the jaw mature more slowly, and darker skin often holds redness for longer. A scar that is still visibly active at two years is not necessarily a scar that is going wrong.
Risks & Limitations
- A scar is permanent. Maturation changes its colour, height and firmness over twelve to eighteen months, not its existence.
- A raised scar is usually uncomfortable rather than dangerous, which is why the small number of findings that are dangerous are named individually.
- Maturation is slow, and a scar often looks worse at six weeks than it will at six months; judging it early means judging a moving target.
- Treatment can improve a scar but cannot remove it, and a further operation trades one scar for another arrangement rather than undoing the first.
- A keloid grows beyond the original wound, does not settle on its own, and tends to recur after it is removed.
When to Seek Care
- A scar growing beyond the edges of the original wound, or a lump within it that is enlarging — have it assessed within days.
- Redness with heat, swelling or discharge in the scar, or a fever — seek care the same day.
- A wound that has opened, or a gap appearing along the scar — seek care the same day.
- A scar tightening across a joint, or pulling on an eyelid or a lip — prompt assessment.
- A scar that has started to bleed or ulcerate — urgent assessment.
References & Further Reading
- American Society of Plastic Surgeons (ASPS) — guidance on scar revision and surgical wound care
- National Institute for Health and Care Excellence (NICE, UK) — guidance on surgical scars and wound management
- Cochrane Library — systematic reviews of scar management
- American Academy of Dermatology (AAD) — guidance on keloids and hypertrophic scars
- 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.