Scars

Quick answer

What matters most for scars.Why this is the answer

The likely benefit, a sensible first step, how long to give it, and when to get help.

Which pattern matters?

Scars can improve, but they cannot be erased.

Why this is the practical answer

Natural maturation can continue for two years. Silicone is a low-risk option with low-certainty evidence for established keloids. Steroid injections can shrink 50% to 80% of keloids, though recurrence is common. [1] [2] [3] [4] [5] [6]

Check this first

Wait for full closure, then consider plain silicone

Do not put scar products on an open wound unless your care team directs you. After full closure, silicone gel or sheets are a low-risk, lower-cost option, although evidence for established keloids is very uncertain. [1] [2] [3] [4] [6]

How much change is realistic?

Look for a flatter, calmer, more comfortable scar

Treatment may reduce height, colour contrast, itch, stiffness, or movement restriction, but it cannot erase the scar. Raised scars may need injections or another clinic treatment. [1] [2] [3] [4] [6]

When should I decide?

Compare monthly, and act sooner if it grows

Use silicone daily for several months and compare monthly photographs or measurements. Seek an earlier assessment if the scar quickly thickens, grows beyond the wound, hurts, or limits movement; injections and lasers often require a series. [2] [3] [4] [6]

Do you need to spend more?

Plain silicone is a better first buy than scar oil.

Why this may be enough

After the wound fully closes, a basic medical-grade silicone product is reasonable. A painful, rapidly raised, or movement-limiting scar deserves earlier assessment rather than months of premium topical products. [1] [2] [3] [4] [5] [6]

Pay more only when it helps with: a targeted injection or procedure when height, symptoms, redness, or function remains important—not a scar-erasure claim.

Get advice sooner

Stop for skin breakdown; get help for infection or rapid growth

Stop a scar product if the skin breaks down or develops a rash. Increasing heat, pain, swelling, pus, fever, wound opening, bleeding, rapid growth, or new loss of movement needs prompt care. [1] [2] [3] [4] [5] [6]

See all warning signs

• Compare the options

Not sure this is the right guide?

• Acne scars — First identify scars versus marks, then see what may help, where retail products fall short, and when procedures may justify the cost.
• Stretch marks — What usually happens over time, what creams and procedures may realistically do, cost-versus-evidence questions, and safety limits.
• Post-inflammatory marks — Brown-grey PIH versus red-purple PIE, actual review results, fading timelines, product limits, and when a mark is really a scar.

Understand the pattern

What to know about scars

1. Lines

Scars change for months after an injury or operation. Early redness, firmness, and uneven colour can improve during natural maturation, while hypertrophic scars and keloids may need targeted treatment. [1]

Product marketing often confuses comfort, colour, thickness, and complete removal. This guide separates those outcomes and makes the low certainty of some familiar treatments visible. [1] [2] [3] [4] [5] [6]

See the pattern

Scars at a glance

Open the optional recap

Track height, edge, symptoms, and movement rather than expecting a scar to disappear.

Scars mature for up to two years

Usual pattern. Early colour and firmness can improve naturally; hypertrophic scars stay within the wound and keloids grow beyond it. [1]

Use silicone after full closure

Conservative first step. It is a low-risk, lower-cost option, but evidence certainty for established keloids is very low. [2] [3] [4] [6]

Clinical treatment often needs a series

Reassess. Injections and lasers are repeated over weeks or months; final revision appearance also takes months. [2] [3] [4] [6]

Infection or rapid growth needs care

Seek care sooner. Warmth, pus, wound opening, ulceration, bleeding, severe pain, or restricted movement are not routine cosmetic concerns. [1] [2] [3] [4] [5] [6]

Use this as a decision path, not a diagnosis.

Start with the box that best matches what you notice, and open a numbered source whenever you want the supporting detail.

Identify normal maturation, hypertrophic growth, or keloid

A typical surgical scar may be pink, brown, firm, or raised early and then flatten and fade over as long as two years. A hypertrophic scar is raised but stays within the wound edge; a keloid extends beyond it. [1]

Pain, itch, stiffness, restricted movement, location, skin tone, previous keloids, and how rapidly the scar is growing help determine whether earlier treatment is worthwhile. [1]

• Do not treat until the wound has fully closed unless the surgical team directs it. [1]
• Use sun protection to reduce colour contrast. [1]
• Track the scar edge and thickness, not only redness. [1]
• Increasing warmth, pus, or wound opening suggests a complication, not normal scarring. [1]

What may help

Options that may help

You usually do not need all of these. Start with the option that best fits what you notice, then keep the rest of the routine simple while you see whether it helps.

Silicone gel or sheetingBest fit. Provides an occlusive scar-care option after full wound closure.See cautions and sources

Best fit. Provides an occlusive scar-care option after full wound closure. [2] [3] [4] [6]

Watch for. Evidence for established keloids is very low certainty; stop for skin breakdown or rash. [2] [3] [4] [6]

Moisturizer and massageBest fit. May improve comfort and flexibility during scar maturation.See cautions and sources

Best fit. May improve comfort and flexibility during scar maturation. [2] [3] [4] [6]

Watch for. Begin only after the wound is fully healed and the treating team agrees; it does not erase scar tissue. [2] [3] [4] [6]

Steroid or combination injectionsBest fit. Can reduce height, itch, and symptoms of selected hypertrophic scars or keloids.See cautions and sources

Best fit. Can reduce height, itch, and symptoms of selected hypertrophic scars or keloids. [2] [3] [4] [6]

Watch for. Skin thinning, dents, visible vessels, and pigment change can occur; repeated sessions are often needed. [2] [3] [4] [6]

Laser or scar revisionBest fit. Targets persistent redness, stiffness, thickness, contour, or functional restriction.See cautions and sources

Best fit. Targets persistent redness, stiffness, thickness, contour, or functional restriction. [2] [3] [4] [6]

Watch for. Burns, pigment change, recurrence, new scarring, infection, and surgical risks are possible. [2] [3] [4] [6]

Use silicone with honest expectations

Silicone gel or sheets are widely recommended after full closure and are generally lower cost than procedures. Daily use commonly continues for several months. [2] [3] [4] [6]

For established keloids, the recent Cochrane review found very low-certainty evidence. Silicone may still be a reasonable low-risk trial, but it should not be advertised as proven scar erasure or clearly superior to every alternative. [2] [3] [4] [6]

Target thickness, redness, symptoms, or movement

AAD reports that injected corticosteroid can shrink 50% to 80% of keloids, but regrowth is common within five years. Systematic reviews suggest steroid combined with 5-FU or silicone can outperform steroid alone in selected raised scars. [2] [3] [4] [6]

Pulsed-dye laser is used mainly for redness and symptoms, fractional laser for thickness or stiffness, and several sessions may be needed. Surgery for a keloid is usually paired with injections, pressure, silicone, or carefully selected radiation because excision alone can recur. [2] [3] [4] [6]

A smaller scar is not an erased scar

Ask whether the expected result is less height, less redness, less itch, better movement, or a narrower line. [2] [3] [4] [6]

Start with silicone, not a premium botanical oil

Once a wound is closed, plain medical-grade silicone is a more evidence-aligned first purchase than vitamin E oil, onion extract, or a luxury scar blend. Moisturizer and massage may improve comfort and flexibility when the clinical team says healing is ready. [1] [2] [3] [4] [5] [6]

A symptomatic or rapidly thickening scar may get better value from early clinical assessment and injections than from repeated creams. Laser and revision are second-line decisions tied to a specific remaining problem. [1] [2] [3] [4] [5] [6]

How long to try it

How to reassess scars

Scar change is slow. Use a ruler and consistent photograph rather than daily inspection.

Wait for full wound closure

Start. Follow the surgical or wound-care plan and do not apply scar products to an open wound unless directed. [1]

Use silicone for several months

Early review. Track height, itch, colour, and comfort; stop if the skin breaks down or develops a rash. [2] [3] [4] [6]

Escalate a symptomatic raised scar

Decision point. Early assessment can clarify injections, laser, pressure, or revision before a keloid becomes larger. [2] [3] [4] [6]

Do not wait on infection signs

Stop sooner. Increasing pain, heat, pus, fever, or wound separation needs prompt care. [1] [2] [3] [4] [5] [6]

Optional planner

Make a simple plan

Open the checklist

One change. One check-in. One safety rule. Use this only if it helps you act on the guide — it is a reading aid, not a diagnosis or prescription.

1. Choose one starting step. A conservative starting point in this guide: Use silicone after full closure. Review the source-linked options
2. Choose a practical check-in. Use the guide’s decision point. If there is no single timeline, the date is simply a reminder to review how things are going—not a promise of results. What progress may look like. Track height, itch, colour, and comfort; stop if the skin breaks down or develops a rash. Review the full timeline
3. Know when to stop or get help. Stop sooner or ask for help if the guide’s warning signs apply: Do not wait on infection signs. Review all warning signs

Get medical advice

When to get help

• Increasing warmth, pain, swelling, pus, fever, or wound separation [1] [2] [3] [4] [5] [6]
• Rapid enlargement beyond the original wound edge [1] [2] [3] [4] [5] [6]
• Ulceration, bleeding, severe pain, or a scar that restricts joint movement [1] [2] [3] [4] [5] [6]
• New neurologic symptoms or loss of function near the scar [1] [2] [3] [4] [5] [6]
• Major thinning, dents, colour change, or worsening after treatment [1] [2] [3] [4] [5] [6]

If symptoms are severe or rapidly worsening, or you feel seriously unwell, use urgent local medical care. In an emergency, call your local emergency service.

General information.

This guide cannot diagnose you or replace advice from a clinician or pharmacist. Follow product labels, and ask before changing prescription treatment or treating a child, pregnancy, or breastfeeding.