Scar Management After Hand Surgery: The Six-Month Window

Written by Nigel Chua, hand occupational therapist · 21 years treating fingers, hands, wrists, forearms and elbows · Singapore

The Scar Isn’t the Problem. What It’s Stuck To Is.

Scar management after hand surgery starts once the wound is fully closed — usually around day 10 to 14 — and the work that matters happens in the first SIX months while the collagen is still remodelling.

Three things, done daily: silicone, massage, and movement.

In the hand, a scar matters less for how it looks and far more for what it glues down — because tendons need to slide, and a scar that binds to the tendon underneath turns a healed wound into a stiff finger.

Why hand scars behave differently

Elsewhere on the body, a scar sits on top of things that do not move much.

In the hand, the skin sits millimetres above tendons that glide up to several centimetres every time you make a fist.

Healing tissue does not distinguish between the layers it is supposed to join and the layers it isn’t. It lays collagen across everything in reach.

If nothing moves during that laying-down phase, the layers set together. That is adhesion, and it is the actual reason people lose range after uncomplicated surgery.

The tell in clinic is a scar that dimples or puckers when the finger bends. A free scar slides over the moving tendon. A tethered one gets dragged.

The healing timeline

Day 0 to 14: inflammation and wound closure. Keep it clean and dry; no scar work yet
Week 2 to 6: proliferation. Collagen laid down fast and disorganised. Scar looks red, raised, angry — this is normal and peaks around week 6
Week 6 to Month 6: remodelling. Collagen reorganises along lines of stress. This is the phase where everything you do changes the outcome.
Month 6 to 18: slow maturation. Redness fades, the scar softens and flattens. Gains are still possible, just slower

You are not removing the scar. You are deciding which direction its collagen settles in.

The three things that work

1. Silicone. Gel or sheet. The best-evidenced non-surgical option for reducing raised, thickened scarring.

Start once the wound is fully closed, typically day 10 to 14
12 to 23 hours a day for it to do anything — an hour after dinner is decoration
Continue for at least 2 to 3 months, longer if the scar is still red and raised
Sheets for flat areas, gel for creases and web spaces where sheets lift off

2. Scar massage. Firm, not gentle. The aim is to shear the layers apart, not to moisturise.

5 to 10 minutes, 2 to 3 times daily
Enough pressure to blanch the scar and move the skin over the tissue beneath
Move it in every direction — across the scar matters more than along it
Use a plain non-perfumed cream or the silicone gel itself

3. Movement. The one people skip, and the one that decides tendon glide. Full available range, often, within whatever your surgeon’s protocol allows.

A scar that is massaged but never moved still adheres. A hand that moves fully but is never massaged usually does better than the reverse.

The extras that matter

Sun protection. New scar tissue pigments permanently. Cover it or use SPF 50 for the first year — in Singapore, that is not optional advice.

Desensitisation. If the scar is hypersensitive, work up textures — soft cloth, towel, rice, dry beans — several minutes at a time, several times a day. Hypersensitivity is the reason people stop using the hand, and disuse costs more than the scar does.

Compression. For a bulky or oedematous scar, elastic sleeves or a Coban wrap alongside silicone.

When it is not behaving

A HYPERTROPHIC scar stays within the borders of the original wound. Raised and red, but contained. Usually settles with the measures above.

A KELOID grows beyond the original wound edges. It will not settle with silicone alone and needs specialist input — steroid injection, pressure therapy, occasionally other options.

A scar CONTRACTURE is one that shortens across a joint and physically prevents straightening. Splinting and therapy first; surgical release if it holds. Do not wait a year hoping.

The window, plainly

Week 2: start. Every week of delay is remodelling time you don’t get back
Month 6: the high-leverage phase closes. Gains after this are real but slower and smaller
Month 12 to 18: scar reaches its final state — whatever you shaped it into

Surgeons close the wound. What the scar becomes is largely coursework, and the deadline is quieter than anyone tells you.

Ten minutes a day for three months. Unglamorous, repetitive, effective — the flossing of hand recovery.