By Dr Deborah Ding Ying-San, Consultant Plastic & Reconstructive Surgeon, Hospital Seri Botani
Key Takeaways
- Scar revision surgery improves the appearance or function of a scar, but it cannot completely erase it.
- Not every scar requires surgery. Many scars respond well to silicone therapy, steroid injections, laser treatments, or other non-surgical options.
- Even old scars can often be improved. The best treatment depends on the scar’s type, location, symptoms, age, and your overall health.
- Early assessment by a plastic and reconstructive surgeon can help identify the most effective treatment plan while reducing the risk of recurrence or complications.
Scars are a natural part of the body’s healing process. Whenever the skin is cut, burned or injured deeply enough to damage the dermis (the deeper layer of skin), the body repairs the wound by producing collagen. This forms scar tissue, which closes the wound, restores the skin’s strength and helps protect it from infection.
Not all scars heal the same way. While one person’s scar may fade into a thin, barely noticeable line, another may develop a raised, widened or thickened scar.
Several factors can affect how a scar develops, including genetics, skin type, wound location, and the size or depth of the injury. Darker skin tones and wounds in high-tension areas may have a higher risk of raised or noticeable scars. Age, overall health, smoking, infection, and poor wound care can also affect healing.
Understanding these factors helps explain why scar treatment is always personalised and why no single treatment works for every scar or every patient.
Common Types of Scars
Fine-Line Scars: The Ideal Healing Outcome
Fine line scars are usually flat, thin, soft and similar in colour to the surrounding skin. Although they cannot be completely eliminated, many continue to fade naturally over the first 12 to 18 months.
Hypertrophic Scars: Raised but Contained

Hypertrophic scars develop when the body produces excess collagen during healing.
Unlike keloids, hypertrophic scars remain within the boundaries of the original wound.
They often appear raised, firm, red or pink, itchy and thick.
The good news is that Hypertrophic scars often become flatter over time and respond well to non-surgical treatments.
Surgery may be considered if conservative treatments have not achieved satisfactory improvement.
Keloids: When Scar Tissue Continues to Grow

Keloids are among the most challenging scars to treat.
Instead of stopping once the wound has healed, the scar tissue continues growing beyond the original injury.
Common features include thick, raised appearance, persistent itching and shiny surface.
Atrophic Scars: When the Skin Loses Volume
Unlike raised scars, atrophic scars appear depressed because the skin doesn’t produce enough collagen during healing.
Common examples include acne scars and chicken pox scars. They may appear as small pits, rolling depressions and broad shallow indentations.
Because these scars involve tissue loss rather than excess tissue, surgical removal is often not the first choice.
Contracture Scars: When a Scar Restricts Movement
Contracture scars usually develop after significant burns or extensive injuries, especially if they cross the joint area.
As the scar matures, it contracts and tightens the surrounding skin.
This tightening can:
- Restrict joint movement
- Pull eyelids or lips out of position
- Affect hand function
- Limit neck movement
- Cause discomfort during daily activities
Unlike scars that are primarily cosmetic, contracture scars may interfere with normal function.
Scar revision surgery for contracture scars often aims to:
- Release tension
- Restore mobility
- Improve comfort
- Improve appearance
Advanced reconstructive techniques such as skin grafts or tissue flaps may sometimes be required.
Burn Scars
Burn injuries can produce several different scar types depending on the depth and severity of the burn.
Large burns may affect movements, facial expressions, hand functions and daily activities.
Where Is Your Scar Located, and Why Does Location Matter?
When people think about scars, they usually focus on how the scar looks. However, plastic and reconstructive surgeons also consider where the scar is located as this affects the way the scar will heal, whether in terms of adequate blood supply, skin tension and movement, or sun exposure as this influences:
- How the scar heals
- Which treatment is most suitable
- The risk of recurrence
- The complexity of surgery
- The final cosmetic outcome
Location affects everything from skin tension and blood supply to movement and sun exposure.
Facial Scars
Facial scars are among the most common reasons people seek scar revision. Even small scars can feel noticeable because the face is constantly visible during social interactions.
Treatment goals include:
- Improving colour and texture
- Blending the scar into natural skin lines
- Preserving facial expression
- Maintaining symmetry
Because facial skin has an excellent blood supply, it often heals better than many other areas of the body.
Eyelid and Lip Scars
Scars affecting the eyelids or lips require particularly careful planning.
Even a small amount of scar tightening can interfere with blinking, eye protection, eating, speaking and facial expression.
In these cases, treatment focuses on restoring normal function as well as improving appearance.
Chest and Shoulder Scars
The chest and shoulders are among the highest-risk areas for developing hypertrophic scars and keloids.
This is largely due to constant skin tension, frequent movement and higher tendency for collagen overproduction.
Patients with scars in these areas often require close follow-up after treatment to minimise recurrence.
Scars Across Joints
Scars over joints such as the knee, elbow, ankle, hands and fingers are constantly under the stress of friction and movement. Meanwhile, scars over joints that have been kept immobilised, e.g. with a splint or cast, may become less flexible and may not stretch adequately during movement.
These scars are more likely to:
- Become hypertrophic or develop contractures over time
- Cause pain
- Restrict flexibility
- Affect everyday activities
Scar revision surgery may be recommended in such cases when mobility becomes limited.
Hand Scars
Our hands are highly visible and essential for daily tasks.
Scars affecting the fingers or palm may interfere with grip strength, dexterity, fine motor skills and work-related activities.
Treatment often prioritises restoring function while also improving appearance.
Burn Scars Around the Neck
Burn scars around the neck may gradually tighten as they mature.
This tightening can make it difficult to:
- Turn the head
- Look upward
- Swallow comfortably
- Maintain posture
Early intervention may help preserve movement and prevent worsening contractures.
Abdominal Scars
Abdominal scars are a common occurrence following abdominal operations. Many heal well, but some may become wide, raised, uneven or even painful adherent to deeper tissue.
Treatment depends on the scar’s appearance, symptoms and impact on quality of life.
Am I a Good Candidate for Scar Revision Surgery?
Scar revision aims to make a scar less noticeable, improve flexibility or movement, and relieve symptoms such as pain, itching or tightness. However, it does not completely remove the scar.
Not every scar requires surgery. Your suitability depends on the size, location, symptoms and maturity of the scar, as well as your skin type and healing characteristics.
Can Old Scars Be Treated?
Yes. Even scars that are 10 years old or older may be improved. Your plastic surgeon will assess your scar’s type, thickness, condition and location and take a full medical history before recommending options such as surgery, laser therapy, microneedling or steroid injections.
Can Children Undergo Scar Revision?
Yes, when necessary. Treatment may be considered if a scar affects movement, normal growth, facial features or causes significant distress. In some cases, it may be better to wait until the scar matures or the child is older.
Can People with Keloids Have Surgery?
Yes, but surgery alone is usually not recommended for keloids because they can grow back. Your surgeon may combine surgery with treatments such as steroid injections, silicone therapy, pressure therapy or laser treatment to help reduce recurrence.
9 Scar Treatment Options: Which One Is Right for You?
There is no single “best” scar treatment. The most appropriate option depends on:
- The type of scar
- Its location
- How old it is
- Whether it causes symptoms
- Your skin type
- Your expectations
Many patients benefit from combination therapy, where two or more treatments work together to achieve better results than a single treatment alone. It is always best to consult your plastic surgeon for a comprehensive treatment regime suited to your needs.
1. Observation: Sometimes the Best Treatment Is Time
Not every scar needs immediate intervention.
Many new scars continue to improve gradually in the first 6 months to 1 year after injury.
During this period, your doctor may recommend:
- Monitoring progress
- Sun protection with a broad-spectrum SPF 30+ for at least 6 to 12 months post-procedure to prevent post-inflammatory hyperpigmentation (PIH), which is especially prevalent in darker Fitzpatrick skin types common in Malaysia.
- Silicone therapy
- Scar massage (when appropriate)
This allows the scar to mature before deciding whether further treatment is necessary.
2. Silicone Gel and Silicone Sheets
Silicone therapy is one of the most widely recommended first-line treatments for raised scars.works by creating a protective environment that helps regulate collagen production.
Silicone may help:
- Flatten raised scars
- Reduce redness
- Improve hydration
- Decrease itching
Because it is non-invasive and easy to use, silicone therapy is often recommended after surgery to help optimize scar healing.
3. Steroid Injections
Steroid injections are commonly used for keloids and hypertrophic scars.They work by reducing inflammation and slowing excessive collagen production, especially in cases of hypertrophic scars or keloid formation.
Benefits may include:
- Reduced scar thickness
- Less itching
- Softer texture
- Improved comfort
Several treatment sessions are often needed for optimal results.
4. Laser Therapy
Laser treatment doesn’t remove a scar, but it can improve several aspects of its appearance.
Depending on the type of laser used, treatment may help:
- Reduce redness
- Improve pigmentation
- Smooth texture
- Stimulate collagen remodelling
Laser therapy is commonly combined with other treatments, particularly for surgical, acne and burn scars.e.g. steroid injection and silicone gel sheets.
5. Microneedling
Microneedling creates tiny controlled injuries in the skin to stimulate natural collagen production.
It is most commonly recommended for:
- Hypotrophic acne scars
- Fine surgical scars
- Uneven skin texture
Several sessions are usually required because collagen remodelling takes time, but improvement is usually seen after the first session, with further improvement seen over time.
6. Dermal Fillers and Subcision
Some scars are depressed because tissue beneath the skin has been lost or tethered.
Dermal Fillers
Fillers help elevate sunken scars by restoring lost volume. Results are usually immediate but may not be permanent, depending on the filler used.
Subcision
Subcision releases fibrous bands beneath depressed scars, allowing the skin to lift naturally. It is particularly effective for rolling acne scars and is often combined with microneedling or laser therapy.
7. Scar Revision Surgery
For some scars, surgery offers the greatest opportunity for improvement, particularly if the scar is wide, uneven, distorted, painful or restricting movement.
Rather than removing a scar entirely, scar revision surgery replaces the existing scar with a new, more carefully planned scar that is designed to heal in a less noticeable way.
The procedure aims to:
- Improve the scar’s appearance
- Restore movement if the scar is causing tightness
- Reposition the scar along natural skin creases where possible
- Reduce pain or discomfort
- Improve symmetry and function
Depending on the scar, your surgeon may simply remove the old scar and carefully close the wound, or use more advanced reconstructive techniques.
Simple Scar Excision
The old scar is surgically removed before the wound is meticulously closed to create a finer scar. Best for:
- Wide scars
- Irregular scars
- Poorly healed surgical scars
Z-Plasty
A Z-shaped incision is created to redirect tension and lengthen the scar. This technique is commonly used when scars:
- Restrict movement
- Cross joints
- Cause contractures
- Pull nearby structures out of position
W-Plasty
A series of small zigzag incisions helps break up a straight scar, making it blend more naturally into surrounding skin. It is particularly useful for facial scars.
8. Skin Grafts and Tissue Flaps
Some scars are too extensive to be treated with simple scar revision alone. Large burn scars, traumatic injuries or severe contractures may require reconstructive procedures.
Skin Grafts
Healthy skin is taken from another part of the body and used to cover the affected area. Skin grafts are commonly used after:
- Major burns
- Trauma
- Removal of extensive scar tissue
Tissue Flaps
Unlike skin grafts, tissue flaps maintain their own blood supply while being moved to cover the affected area. They are often recommended for complex wounds requiring:
- Better contour
- Greater durability
- Improved function
9. Combination Therapy
Modern scar management rarely relies on a single treatment. Many patients achieve the best results through a personalised combination of therapies.
For example:
| Scar Type | Common Treatment Combination |
| Keloid | Steroid injections + surgery + silicone therapy |
| Burn scar | Surgery + laser therapy + physiotherapy |
| Acne scars | Subcision + microneedling + laser |
| Surgical scar | Silicone therapy + laser + revision surgery (if needed) |
| Contracture scar | Surgery + rehabilitation + scar management |
Combination therapy allows specialists to address different aspects of a scar, such as texture, thickness, colour and function.
Recovery Timeline
Patience is essential; scar healing is a gradual process. Recovery varies widely among patients depending on the treatment performed, but a general guide is shown below.
| Timeline | What to Expect |
| Day 1–3 | Mild swelling, bruising and discomfort. Keep the wound clean and follow your surgeon’s instructions. |
| Week 1 | Sutures are removed (depending on the procedure). Light daily activities are usually possible. |
| Weeks 2–4 | Swelling gradually improves. The scar may appear pink or firm. |
| Months 2–3 | Collagen remodelling continues. Texture and colour gradually improve. |
| Months 6–12 | Many scars become flatter, softer and less noticeable. |
| 12–18 Months | Final scar maturation for many patients. |
What Risks Should You Know Before Choosing Scar Revision Surgery?
Every medical procedure carries some degree of risk, including scar revision surgery. Fortunately, complications are uncommon when the procedure is performed by an experienced plastic surgeon and appropriate aftercare is followed.
Common risks include:
- Bleeding
- Infection
- Delayed wound healing or wound dehiscence
- Wound separation
- Pigment changes
- Persistent redness
- Temporary numbness
- Unsatisfactory cosmetic outcome
- New scar formation
- Recurrence of hypertrophic scars or keloids
- Need for additional treatment
Your surgeon will explain these risks and discuss how they apply to your individual situation.
How Can You Reduce the Risk of Complications?
You can help improve healing by:
- Stopping smoking before and after surgery
- Keeping chronic medical conditions well controlled
- Following wound care instructions carefully
- Attending follow-up appointments
- Avoiding excessive stretching of the wound
- Protecting the scar from sunlight
- Using silicone products if recommended
Good aftercare plays an important role in achieving the best possible outcome.
How Can You Prevent Scars from Becoming More Noticeable?
Not every scar can be prevented, but good wound care can improve how a scar heals.
Care for Wounds Promptly
Clean wounds properly and seek medical attention for deep, contaminated or gaping injuries.
Follow Post-Surgical Instructions
After surgery, your surgeon may recommend:
- Keeping the wound clean and dry
- Avoiding strenuous activity initially
- Protecting the incision from unnecessary tension
Use Silicone Therapy
Silicone gel or sheets may help reduce excessive scar formation when used consistently as advised.
Protect Healing Scars from the Sun
Fresh scars are especially vulnerable to ultraviolet (UV) exposure.
Applying sunscreen and covering healing scars can reduce long-term pigmentation changes.
Maintain a Healthy Lifestyle
Good nutrition, adequate hydration and avoiding smoking support healthy wound healing.
Seek Early Medical Advice
If a scar becomes increasingly raised, painful or restricts movement, early assessment may allow treatment before symptoms worsen.
8 Common Scar Myths: What’s Fact and What’s Fiction?
Many home remedies for scars circulate online, but not all are supported by scientific evidence.
| Myth | Fact |
| Vitamin E removes scars. | Research has not consistently shown that vitamin E improves scars, and it may irritate some people’s skin. |
| Toothpaste can fade scars. | Toothpaste is not designed for scar treatment and may cause skin irritation. |
| Coconut oil removes scars. | Coconut oil may moisturise the skin but has not been proven to remove established scars. |
| Lemon juice lightens scars safely. | Lemon juice can irritate the skin and increase sensitivity to sunlight. |
| Expensive scar creams always work better. | Price does not necessarily reflect effectiveness. Treatment should be based on your scar type. |
| Old scars cannot be improved. | Even scars that are many years old may respond to appropriate treatment. |
| Scar revision surgery makes scars disappear completely. | Scar revision improves scars but cannot erase them completely. |
| Everyone heals the same way. | Genetics, skin type, health and wound care all influence scar healing. |
FAQs
- Can scar revision make my scar invisible?
Scar revision can significantly improve a scar’s appearance or function, but it cannot completely remove a scar. The goal is to make it less noticeable and, where necessary, improve comfort or movement.
- Will I need general anaesthesia?
It depends on the size, location and complexity of the procedure. Smaller scar revisions are often performed under local anaesthesia, while more extensive procedures may require general anaesthesia.
- How long does the procedure take?
Most scar revision procedures take between 30 minutes and three hours, depending on the type of scar and the surgical technique being used.
- What if I’ve already had one failed scar revision?
Previous treatment does not necessarily prevent further improvement. Your surgeon will assess why the earlier procedure was unsuccessful and determine whether additional surgery or combination treatments may provide a better outcome.
- Can scar revision be combined with other procedures?
Yes. Scar revision is frequently combined with treatments such as laser therapy, steroid injections, microneedling or silicone therapy to achieve better overall results.
- Will health insurance cover scar revision?
Depending on your insurance policy, and whether the procedure is considered medically necessary improve symptoms of pain, form or function. Scar revision performed to improve function may be more likely to receive coverage than procedures performed solely for cosmetic reasons. You are advised to consult with your Plastic Surgeon for a more detailed assessment and discussion on treatment options best suited to you.
- Is scar revision painful?
The procedure itself is performed under appropriate anaesthesia. After treatment, most patients experience mild to moderate discomfort that can usually be managed with prescribed pain medication.
- How many treatments will I need?
Some scars improve after a single treatment, while others, such as keloids, burn scars or acne scars, may require multiple sessions or a combination of therapies. Your treatment plan will depend on your scar type and treatment goals.
Take the Next Step Towards Better-Looking Scars
At Hospital Seri Botani, we understand that scars can affect more than appearance, they may also cause discomfort, restrict movement, or impact your confidence and quality of life.
Our team of Plastic and Reconstructive Surgery, Internal Medicine The transition linking internal medicine and general health screenings to scar healing feels slightly abrupt. Frame this around optimizing chronic metabolic conditions (e.g., blood glucose control in diabetes) which directly impacts surgical wound healing and collagen synthesis and General Surgery takes a personalised, patient-centred approach to scar management. Rather than recommending a one-size-fits-all treatment, we carefully assess your scar’s type, location, maturity, symptoms, medical history and treatment goals before developing an individualised care plan. Our multidisciplinary team works closely across specialties to provide coordinated care when needed. personalised scar care tailored to your needs.
Your overall health also plays an important role in how well your body heals after an injury or surgery. If you’re considering scar revision or simply want to better understand your health status, our Health Screening Packages offer comprehensive assessments that can help you take a proactive approach to your wellbeing.
We are committed to providing personalised scar care using evidence-based treatments tailored to your unique needs. If you’re considering scar revision surgery or simply want to understand your options, schedule a consultation with our Plastic & Reconstructive Surgeon to begin your journey towards improved comfort, confidence and quality of life.



