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Skin grafts: the donor site and healing | CION Cancer Clinics
A skin graft donor site from a thin graft heals like a large graze, usually within a few weeks, with new skin growing under the dressing. A full-thickness donor site is stitched and heals like a small cut. You go home with two wounds, and the donor site can feel sorer than the graft. This page explains how both heal, how to care for them, and which signs need a call. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
On this page
- How does a skin graft donor site heal?
- Where is the skin usually taken from?
- What happens to the graft while it heals?
- How do you look after both wounds at home?
- What do people often get wrong about grafts?
- What will the graft and donor site look like later?
- Common questions about skin grafts and donor sites
The short answer
How does a skin graft donor site heal?
A donor site from a thin graft heals much like a large graze, usually within a few weeks, growing new skin from underneath the dressing. A donor site from a full-thickness graft is stitched closed and heals like any small cut. Both can feel sorer than the main wound at first.
Two wounds, not one
A skin graft means taking healthy skin from one place, called the donor site, and laying it over the gap left after the cancer was removed, called the recipient site. So you go home with two wounds. Each needs its own care, and families are often surprised by how much attention the donor site needs.
Why the donor site can hurt more
A thin graft leaves the nerve endings in the skin exposed, just as a graze does. That is why the donor site on the thigh can sting and ache more than the grafted area, which has lost some of its feeling. The soreness usually eases as new skin covers it.
Healing times vary with age, diabetes, smoking, nutrition and the size of the graft. Your own team will tell you what to expect for your wounds.Donor sites
Where is the skin usually taken from?
The choice depends on the type of graft, how much skin is needed, and how well the colour and texture need to match.
Thin graft from the thigh
A split-thickness graft is shaved from the thigh, buttock or upper arm with a special instrument. It takes only the top layers of skin, so the area grows back on its own.
Healing looks like
- A raw, weeping patch at first
- A pink, shiny layer as it closes
- A paler or darker patch that fades slowly
Full graft from behind the ear or neck
A full-thickness graft takes the whole depth of skin. It is often used on the face because the colour matches well. The donor site is stitched closed and leaves a fine line.
Full graft from the groin or inner arm
Used when a larger piece of full-thickness skin is needed, often for hands or other parts of the body. The scar tends to sit in a natural crease.
Who a graft may not suit
A graft needs a healthy bed with good blood supply to take. Over bare bone or tendon, or on skin damaged by earlier radiotherapy, a flap may be needed instead.
Not sure whether this applies to you?
Ask an oncologistStep by step
What happens to the graft while it heals?
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The first days: keeping it still
The graft is held in place with a firm dressing, sometimes stitched or stapled over it. New blood vessels grow into the graft from the bed below. Any movement or fluid under it can stop this, so you may be asked to rest the area.
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The first dressing check
The team lifts the dressing at the first clinic visit to see whether the graft has taken. A pink graft is a good sign. Do not lift the dressing yourself to look.
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The following weeks
The graft sticks down more firmly. It may look purple, blotchy or crusted. Gentle moisturising usually starts once the team says the skin has closed.
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The months that follow
The colour slowly settles and the surface softens. The graft may stay a little lower, shinier or a different shade from the skin around it. Feeling in the area can return partly, or stay reduced.
At home
How do you look after both wounds at home?
- Keep both dressings dry and in place until the team says otherwise
- Rest and raise the grafted area as advised, especially a leg
- Wear loose cotton clothing over the donor site
- Do not pick at crusts or peel away a stuck dressing
- Moisturise healed skin once you are told it is ready
- Cover both areas from strong sun once healed
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A fever, spreading redness, pus or a bad smell from either wound, bleeding that soaks the dressing, or a graft that turns black, grey or comes away. Do not wait for the next clinic visit, and do not remove the dressing yourself to check.
Commonly believed
What do people often get wrong about grafts?
Lifting a graft dressing early can shift the graft or tear the new blood vessels growing into it. Leave dressings to the team unless you have been shown exactly how to change them.
Putting anything on a fresh graft or donor site that the team has not advised can cause infection or irritation. Ask before applying any cream, oil or powder, including ones sold as natural.
Early grafts often look purple, patchy or crusted, and still take well. A graft that turns black, dry and hard, or lifts away, is more worrying. If you are unsure, send a photo or call.
A thin-graft donor site is an open wound for a while. It can become infected, and the new skin stays fragile, itchy and easily sunburnt for months. It deserves the same care as the main wound.
Being straight with you
What will the graft and donor site look like later?
Both areas usually stay visible in some way. The donor site on the thigh often ends up as a paler or darker rectangle. The graft may sit slightly lower than the skin around it and be a different shade, which can be more noticeable on darker skin.
Itching and dryness
Grafted skin and healed donor sites have fewer oil and sweat glands, so they dry out and itch. A plain, unperfumed moisturiser helps. Tell the team if itching stops you sleeping, because there are things that help.
Raised or tight scars
Some people form thick, raised scars, especially around the edges of a graft or on the chest and shoulders. Graft skin over a joint can also tighten. Report these early. Massage, silicone treatments, pressure or physiotherapy may help, depending on the scar.
What this page cannot tell you
How your own graft will look depends on your skin, the site and how the wound heals. Nobody can predict it exactly. Ask your surgeon to show you what is normal at each follow-up visit.
Questions we are asked
Common questions about skin grafts and donor sites
How long before the donor site stops hurting?
The donor site is often sorest in the first few days, because nerve endings are exposed like a graze. The pain usually eases as new skin covers it. Take the pain medicine your team prescribed as advised. Tell them if the pain gets worse instead of better, as that can be a sign of infection.
Can I bathe with a skin graft?
Keep both dressings dry until the team says they can get wet. A bucket bath that avoids the dressed areas is usually fine. Cover the dressings with a plastic sheet if needed. Once the skin has healed, gentle washing with plain water and mild soap is normally allowed.
When can I walk if the graft is on my leg?
Grafts on the lower leg are sensitive to standing, because blood pools and can lift the graft. You may be asked to rest with the leg raised for a period and walk only short distances. Follow your own team's instruction, which depends on where the graft sits.
Why is fluid leaking from the donor site?
A thin-graft donor site often oozes clear or slightly blood-stained fluid in the first days. The dressing may need an extra pad on top. Thick, yellow or green fluid, a bad smell, or redness spreading around the wound is different and needs a call to the team.
Will hair grow on the graft?
A thin graft usually does not grow hair, and a full-thickness graft may grow some, depending on where it came from. This matters most for the scalp, eyebrow or beard area. Ask your surgeon where the skin will come from if hair growth is important to you.
Can the donor site be used again?
A thin-graft donor site can sometimes be used again once fully healed, if more skin is needed later. This is more common in large wounds or burns than after a single cancer excision. Your surgeon will decide whether that is suitable.
My mother is elderly and diabetic. Will her graft heal?
Grafts can heal well in older people, but diabetes, poor circulation and low protein intake all slow healing. Good sugar control, a diet with enough protein, and not smoking help. Ask the team how often she should be seen, and do not change her diabetes medicines without her doctor.
When should the stitches or staples come out?
Your team will tell you at discharge. Timing depends on the site and how the graft is healing, so it is often done at the first dressing visit. If you live far away, ask whether a nurse or clinic near you can remove them, and bring the discharge summary.
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Sources
- NHS — Skin graft
- Cancer Research UK — Surgery for melanoma skin cancer
- American Cancer Society — Surgery for Basal and Squamous Cell Skin Cancers
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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Call the helpline. A member of the surgical team will talk you through what is normal and when the wound needs to be seen. One helpline serves every CION centre.