In short. What actually helps a scar once the wound has closed — silicone, massage and sun protection — and honest limits on what any product can achieve.
Key points
- The measured difference between silicone products is far smaller than the difference between using one consistently for several months and using an expensive one intermittently.
- Start only when the wound is closed, keep the area clean, and follow the instructions on the product and from your team.
Once a wound has closed, attention turns from protecting it to managing the scar it leaves. A great deal is sold for this purpose and much less is genuinely supported. The honest position is that a small number of simple measures help, and no product removes a scar.
A scar is permanent, but it matures
A scar is the tissue the body builds to replace what was lost. It is permanent. What changes is its maturity: in the first weeks it is red, raised and firm, and over months it softens, flattens and fades, usually settling across twelve to eighteen months. Much of what looks alarming early — redness, firmness, a slight ridge — is a normal stage rather than a final result. Judging a scar before it has matured is judging it too early.
Silicone
Silicone, in gel or sheet form, is the best supported non-invasive measure for scar management. It appears to work by keeping the scar hydrated and by applying mild pressure, and it is used once the wound is fully closed, with no scabs or open areas. It is applied consistently over months, not days. It is not a cure: it improves the appearance and feel of many scars, and does nothing for some.
Consistency matters more than the product
The measured difference between silicone products is far smaller than the difference between using one consistently for several months and using an expensive one intermittently. Start only when the wound is closed, keep the area clean, and follow the instructions on the product and from your team.
Massage
Gentle massage, once the wound has closed and your team agrees, can help soften a scar and reduce the tightness that makes it pull. It is done with clean hands, with light pressure, in small circles, for a few minutes at a time. It should not be painful and should not be started while the wound is still open. Some teams also recommend specific taping or pressure techniques; ask before improvising.
Sun protection
Ultraviolet light darkens a healing scar and can make the discolouration last far longer than it otherwise would. Cover the scar with clothing, a hat or a dressing, and use a broad-spectrum sunscreen on any exposed scar for at least the first year. This is one of the most reliable things you can do, and one of the most commonly abandoned.
Honest limits
No cream, oil, gel or device erases a scar, and products claiming to remove scars cannot support that claim. Some preparations cause irritation or allergy, and a few traditional or unregulated preparations have caused real harm when applied to healing skin. If a scar is becoming thick, raised, itchy and spreading beyond the original wound, that is a specific condition worth showing to your team, because there are treatments for it — and they are medical, not cosmetic.
Show your team if
- A scar becomes thick, raised, firm, itchy or painful, or spreads beyond the original wound.
- The scar breaks down, discharges, bleeds, or develops a new lump within it.
- You develop an itchy rash, blistering or spreading redness from anything you have applied.
Scar care rewards patience and consistency far more than it rewards spending. Do the simple things for long enough, and let time do most of the work.
Frequently asked questions
Does silicone actually remove a scar?
No. It is the best supported non-invasive measure for scar management, and it appears to work by keeping the scar hydrated and applying mild pressure. It improves the appearance and feel of many scars and does nothing for some.
Why must a new scar be kept out of the sun?
Ultraviolet light darkens a healing scar and can make the discolouration last far longer than it otherwise would. Cover the scar and use a broad-spectrum sunscreen on exposed areas for at least the first year.
When is a scar worth showing to the team?
If it becomes thick, raised, firm, itchy or painful, or spreads beyond the original wound. That is a specific condition with medical treatments, and it is worth showing early. A scar that breaks down or discharges also needs review.
Risks & Limitations
- Recovery takes longer than most patients expect, and the final result of most operations is judged at six to twelve months, once swelling has settled and scars have matured.
- Some swelling, bruising, numbness and discomfort are a normal part of healing rather than a sign that something has gone wrong.
- Scars are permanent, though they mature and usually become softer and less noticeable over twelve to eighteen months.
- Rushing back to activity commonly causes setbacks and costs more time than it saves.
- The written instructions from your own discharging team override any general guidance here, including on dressings, medication, activity and follow-up.
When to Seek Care
- Severe or worsening pain, or a wound that opens or discharges.
- Spreading redness or warmth around the wound, or a fever.
- A swollen, painful calf; chest pain; or breathlessness — seek emergency care immediately.
- Heavy bleeding, or a dressing that is soaked through.
- A flap or graft that turns dark or cold.
- Do not wait for your next appointment for any of these. Contact your own clinical team, and if the problem is severe and you cannot reach them, go to an emergency department.
References & Further Reading
- World Health Organization (WHO) — surgical safety and patient safety resources
- National Institute for Health and Care Excellence (NICE, UK) — guidance on surgical site infection and recovery
- American Society of Plastic Surgeons (ASPS) — patient safety and aftercare guidance
This page is patient education, not medical advice, and it does not cite individual studies. It cannot replace the instructions given to you by the team that performed your operation. Discuss your own recovery with that team. To contact them, see Contact & Consultation.