What Is a Skin Graft?

If a wound is wide, deep, or in a place where the surrounding skin just won't stretch to meet in the middle, stitches alone can't close it. Left uncovered, an open wound like that heals very slowly and is exposed the whole time. A skin graft offers another way to close the gap: a thin piece of healthy skin is taken from one part of your own body and laid over the wound, where — if all goes well — it settles in, picks up a blood supply, and becomes the wound's new surface.

The short video at the top of this page, which runs for just over two minutes, shows a skin grafting procedure itself. Its description makes a point worth knowing before anything else: this surgery is usually done under general anaesthesia, so you would be asleep and pain-free while it happens. What follows is what to expect around a procedure like that one.

First, the wound has to be ready to receive it

A graft can't survive on a wound that isn't ready for it. Before grafting, the surgical team cleans the area and removes tissue that is damaged or no longer healthy, so the graft will lie on a clean, well-supplied surface. That preparation matters more than it might sound — a graft has no blood vessels of its own at first, so in the earliest days it depends entirely on the wound beneath it for nourishment. Timing is part of the judgement, too. Some wounds are grafted soon after an injury or an operation that removed skin; others are prepared and watched for a while first.

Then healthy skin is borrowed from somewhere quieter

The patch comes from a donor site — a place on your body, chosen to be as inconspicuous and comfortable as the team can make it, where taking a thin layer of skin will cause the least trouble. Depending on how much coverage the wound needs and what it needs to do afterwards, the graft may be a thin, partial layer of skin or a fuller-thickness piece; a thin layer can be gently stretched with tiny slits so it covers a wider area. The graft is then laid over the prepared wound, fixed in place, and covered with a dressing that holds it still. Stillness is not a detail — in those first days the graft is fragile, and shifting against the wound can disrupt the new connections trying to form. For a broader look at how grafting fits into reconstructive work, the site's video on skin grafting in plastic surgery, from Dr. Mohamed Ibrahim's channel, walks through the wider context.

The quiet days while the graft settles in

Afterwards comes a deliberately uneventful stretch, and that's by design. The grafted area is usually kept dressed, protected, and — depending on where it is — rested or kept still while it attaches. When the dressing is first changed, the team is looking for a graft that has "taken": pink, attached, and starting to draw its own circulation from below. Not every graft takes completely everywhere, and a patch that struggles in one spot can often be tidied up or re-done — disappointing, certainly, but a recognised part of this kind of surgery rather than a catastrophe. Burns are one of the best-known reasons for grafting, though they're far from the only one; large wounds after injury, and areas left open after skin is removed for treatment, are also commonly covered this way. Slow-healing wounds are a world of their own — our article on diabetic foot problems explains why some wounds struggle to close in the first place.

Two wounds to look after, not one

Here's the part people don't always expect: you leave with two healing areas. The grafted wound needs protection while it strengthens, and the donor site — where the thin layer was taken — heals like a broad graze, usually under its own dressing, and can be sore in the early days. Teams give specific instructions for both sites: how to keep dressings dry, what to watch for, and when to get in touch. Sun protection for healed grafted skin and gentle care as sensation slowly returns are longer-term habits worth starting early. Follow those instructions for both places, not just the obvious one, and you give the graft its best chance.

MedicalVideos.com has published trusted medical videos since 2007. The site was founded by Dr. Mohamed Ibrahim, MD, PhD — physician and researcher.

Educational only — this article is general information about skin grafts, not medical advice. Whether a wound needs a graft, and what type, is a decision for your own surgical team, who can examine the wound and your overall health.

Frequently Asked Questions

Is a skin graft the same as a skin flap?
No, though the two are often confused. A graft is a piece of skin moved without its own blood supply, which then has to pick up circulation from the wound beneath it. A flap is moved with its blood supply kept or reconnected. Surgeons choose between them based on the wound's size, depth, and location.

Will the graft look exactly like the skin around it?
Usually not exactly. A grafted area can differ in colour, texture, and sensation from surrounding skin, and it may soften and blend better over time. How close the match is depends on the type of graft, where it was taken from, and where it was placed.

Does the donor site heal on its own?
For the thin, partial-thickness grafts that are most common, yes — the donor site is designed to heal by itself under a dressing, rather like a graze healing over, though it can be uncomfortable at first. A fuller-thickness graft leaves a smaller donor area that is typically closed directly by the surgeon.

How long does a skin graft take to heal?
The graft's earliest attachment happens over the first days, with dressings and checks guiding that stage, but full strengthening and maturing take much longer — weeks into months. Your team's follow-up schedule matters more than any general timeline, because healing speed varies with the wound, its cause, and your general health.