The most effective treatments for scar tissue include silicone products, massage, sun protection, and professional procedures like laser therapy or microneedling. What works best depends on the type of scar you have, how old it is, and where it is on your body. Newer scars respond better to most treatments, so starting early gives you the best results.
How Scars Form and Why Timing Matters
After any skin injury, your body goes through four healing phases. Clotting happens within minutes to hours. Inflammation follows over the first few days to two weeks. Then a rebuilding phase kicks in around day three and lasts up to 30 days, during which your body lays down new collagen to close the wound. The final phase, called remodeling, starts around four weeks and continues for nine to 12 months as that collagen reorganizes and strengthens.
During remodeling, the scar is still actively changing. This is the window where most treatments have the greatest impact. Collagen fibers are being rearranged, and interventions that guide that process (silicone, massage, laser) can meaningfully improve the final appearance. Once a scar has fully matured, it’s harder to change, though not impossible.
Silicone Products
Silicone gel sheets and topical silicone gels are the most widely supported over-the-counter option for scar treatment. They work by creating a barrier over the scar that locks in moisture, mimicking the protective function of healthy skin. This hydration signals the cells beneath to slow down their overproduction of collagen, which is what causes scars to become raised, thick, or ropy.
Silicone also reduces tension on the wound edges and may help align collagen fibers through a mild static electric field created by friction between the sheet and the skin. The result is flatter, softer, less red scars over time. For the best outcome, silicone products need to be worn consistently for 6 to 12 months. Many sheets are designed for up to 24 hours of wear per day and can be washed and reused. Gel formulations are a practical alternative for areas where sheets won’t stay put, like joints or the face.
Scar Massage
Manual massage is one of the simplest and most accessible ways to improve scar tissue. Applying pressure and movement to a scar helps break up disorganized collagen, improve blood flow, and increase the tissue’s elasticity. But the intensity needs to match the healing stage. During the first three weeks, when the wound is still fragile, pressure should be very light. Once you’re in the remodeling phase (roughly four weeks onward), you can apply firmer pressure.
Overdoing it is a real risk. Too much force can damage the tissue and trigger a new round of inflammation, essentially restarting part of the healing process. A reasonable approach is about one minute per spot on the scar, repeated three to five times in a session. Published protocols for burn scars have used 30-minute sessions, two to three times per week, for eight weeks, with improvements in pain, itching, and scar texture. You should feel resistance but not sharp pain. Cupping, which uses suction to lift the tissue, can also help with older, tougher scars, though it should only be used on fully healed wounds.
Sun Protection
Ultraviolet light can permanently darken a healing scar. New scar tissue lacks the pigment regulation of normal skin, making it especially vulnerable to UV-induced discoloration. Scars on sun-exposed areas like the face, hands, and arms need consistent protection with a high-SPF sunscreen containing zinc oxide for at least the first six months. Skipping this step can increase scar formation and cause hyperpigmentation that’s much harder to treat after the fact. This is one of the easiest and most overlooked things you can do for a healing scar.
Onion Extract Gels
Over-the-counter scar gels containing onion extract (the active ingredient in products like Mederma) have some clinical support. In a study of women who used the gel after cesarean sections, those who continued treatment for 24 weeks saw significant reductions in scar redness, pigmentation, and height compared to untreated scars. These gels typically also contain allantoin and heparin, which help soften tissue and improve moisture. Onion extract won’t dramatically transform a thick scar, but for mild to moderate surgical or injury scars, consistent use over several months can make a visible difference.
Why Vitamin E Probably Isn’t Worth It
Vitamin E cream is one of the most commonly recommended home remedies for scars, but the evidence doesn’t back it up. Multiple controlled studies have found no meaningful improvement in scar appearance from topical vitamin E compared to a basic moisturizer alone. Worse, nearly a third of patients in one study developed contact dermatitis from the cream, including eczema-like reactions and hives. A plain, fragrance-free moisturizer does the same hydrating job without the risk of an allergic reaction.
Laser Therapy
For scars that haven’t responded well to at-home treatments, laser therapy is one of the most effective professional options. Two types dominate scar treatment, and they do different things. Fractional CO2 lasers create tiny columns of controlled damage in the scar, triggering the body to rebuild with better-organized collagen. This improves texture and depth, making it particularly useful for pitted or indented scars. Pulsed dye lasers target the blood vessels feeding the scar, reducing redness and the raised, flushed appearance common in newer scars.
Combining both laser types in the same treatment plan tends to produce the best results, especially for raised scars that are still relatively new. Immature hypertrophic scars (those still in the active remodeling phase) respond better than old, fully settled ones. Treatment protocols vary widely: some involve a single session, while others call for three to four sessions spaced four to eight weeks apart. Your provider will tailor the plan based on your scar’s age, type, and location.
Microneedling for Indented Scars
Microneedling uses a device studded with fine needles to create thousands of tiny punctures in the scar. This controlled injury stimulates your body’s collagen production, gradually filling in depressed scars from below. It’s most commonly used for atrophic (sunken) acne scars. Needle depth matters: a split-face study comparing 1.5 mm and 2.5 mm depths found that the deeper 2.5 mm treatment was more effective both visually and under the microscope. Most people need multiple sessions spaced several weeks apart to see meaningful improvement. Microneedling is less useful for raised or keloid scars, where the problem is too much collagen rather than too little.
Treating Keloids
Keloids are the most stubborn type of scar tissue. They grow beyond the original wound borders and have a strong tendency to come back after treatment. Surgical removal alone carries a 50 to 80 percent recurrence rate, which is why keloids almost always require combination therapy.
Steroid injections directly into the keloid are a common first-line treatment, flattening the scar by suppressing collagen-producing cells. When surgery is combined with steroid injections around the time of the procedure, recurrence drops significantly. One study of ear keloids treated with excision plus steroid injections found a recurrence rate of just 9.6 percent. Radiation therapy after surgical removal is another approach, with reported recurrence rates ranging from about 7 percent (when combined with tension-reducing sutures) to around 27 to 33 percent in larger studies. Silicone sheets and pressure therapy are often used as ongoing maintenance to keep keloids from returning.
A newer option involves applying a prescription immune-modulating cream nightly for six weeks after keloid excision. In a case series followed for three years, this approach resulted in zero regrowth, even in a patient prone to spontaneous keloid formation. This is still an emerging protocol, but the early results are promising for people dealing with recurrent keloids.
Matching Treatment to Scar Type
- Flat, discolored scars: Silicone gel, onion extract, sun protection, and pulsed dye laser for persistent redness.
- Raised or hypertrophic scars: Silicone sheets (worn consistently for months), massage during remodeling, steroid injections, or combined laser therapy.
- Indented or atrophic scars: Microneedling at appropriate depths, fractional CO2 laser, or a combination of both.
- Keloids: Combination approaches involving excision with steroid injections, radiation, silicone, or immune-modulating creams. Single treatments rarely work long-term.
For any type of scar, the fundamentals stay the same: keep the area moisturized, protect it from the sun, and start treatment during the remodeling window when your body is still actively reshaping the tissue. The earlier you intervene, the more you can influence the outcome.