Preventing or reducing facial scars comes down to how you treat the wound during healing, not after. The choices you make in the first days and weeks, from keeping the wound moist to protecting it from the sun, have the biggest impact on whether a mark fades or stays visible. If scarring has already formed, several proven treatments can significantly improve its appearance, though timing matters.
Why Moist Wounds Scar Less
The single most important thing you can do to prevent scarring is keep the wound from drying out. A dehydrated wound encourages scab formation, cell death, and slower skin regrowth. An appropriately moist environment, by contrast, supports the body’s natural inflammatory and repair phases and allows new skin cells to migrate across the wound surface more efficiently.
This means you should skip the old advice of “letting it air out.” Instead, after gently cleaning the area with mild soap and water, apply a thin layer of petroleum jelly. This keeps the wound from forming a thick scab. Wounds with scabs take longer to heal, and slower healing generally means more noticeable scars. You don’t need antibacterial ointment as long as you’re cleaning the wound daily.
Cover the wound with an adhesive bandage and change it every day. For larger wounds, burns, or areas with persistent redness, hydrogel or silicone gel sheets provide better coverage and moisture control. If your skin reacts to adhesives, use a non-adhesive gauze pad secured with paper tape.
Silicone Sheets and Gels
Silicone is one of the most studied scar-prevention tools available over the counter. Silicone sheets work through two main mechanisms: they keep the healing skin hydrated, which helps regulate collagen production, and they apply gentle, constant pressure that can flatten raised scars and reduce the risk of abnormal collagen buildup. This makes them especially useful if you’re prone to thick, raised scars.
Silicone gels are thinner and easier to apply on the face, where a sheet might be impractical. They focus more on hydration and collagen modulation than on pressure. If your wound is in a spot where you can comfortably wear a sheet (along the jawline, for instance), the sheet will likely give slightly better results for raised scarring. For areas like the nose or around the eyes, a gel is the more practical choice. Follow the package instructions for how long to wear them each day and when to replace them.
Sun Protection After Healing
New scar tissue is extremely vulnerable to UV damage. Sun exposure can darken a healing scar permanently, making it far more visible than it would otherwise be. Once the wound has closed, apply sunscreen to the area every time you go outside. A broad-spectrum SPF 30 or higher works well. This is especially important on the face, which gets more sun exposure than almost any other part of the body. Keep this up for at least a year while the scar matures.
Preventing Acne Scars Specifically
If your facial scarring concern is acne-related, the most effective prevention strategy is treating breakouts early and aggressively. The inflammatory process that drives acne lesions is the same process that creates atrophic (pitted) scars. Stopping that inflammation before it damages deeper skin layers is the key.
Topical retinoids combined with benzoyl peroxide are among the most effective options. In a controlled study of patients with moderate acne and mild to moderate scarring, a higher-concentration retinoid and benzoyl peroxide combination significantly reduced scar counts over 24 weeks. On the untreated side of patients’ faces, scar counts actually increased during the same period, even though the acne itself was still active. This highlights that treating acne isn’t just about clearing pimples; it’s actively preventing scars from forming in the first place.
The takeaway: don’t wait to see if acne “goes away on its own,” especially if you’re getting deeper, more inflamed breakouts. The longer inflammation persists, the higher your risk of permanent scarring.
The Scar Remodeling Timeline
Scars go through four healing stages: the initial clotting phase, inflammation, new tissue growth (proliferation), and finally remodeling. That last stage is the longest. Starting around six weeks after injury, collagen in the scar continues to reorganize and strengthen for nine to 12 months. During this entire window, the scar’s appearance can still change significantly.
This is why a fresh scar that looks red, raised, or angry at two months may look dramatically different at one year. It also means you have a long window to influence the outcome with silicone products, sun protection, and gentle massage. If you’re unhappy with a scar’s appearance, give it the full 12 months of maturation before assuming the result is final. Dermatologists typically won’t perform scar revision procedures until at least nine to 12 months have passed for this reason.
Who Is More Likely to Scar
Some people are genetically predisposed to more visible scarring, particularly keloids (thick, raised scars that grow beyond the original wound). You’re at higher risk if you have brown or Black skin, have a personal or family history of keloids, or are between the ages of 20 and 30. If any of these apply to you, being proactive with silicone therapy, sun protection, and wound care is even more important. Keloids on the face can be difficult to treat once established, so prevention is far easier than correction.
Treating Scars That Already Exist
If you already have facial scars, professional treatments can make a substantial difference. Fractional laser therapy is one of the most effective options, and results vary by scar type.
For pitted (atrophic) scars, the numbers are encouraging. In one study of 53 patients treated with a non-ablative fractional laser, nearly 90% achieved 51% to 75% improvement as assessed by independent reviewers. A study using ablative fractional laser treatments on atrophic scars showed a 38% mean reduction in scar volume and 35% mean reduction in scar depth, along with visible improvements in skin texture and pigmentation. For moderate to severe acne scars specifically, patients in another study saw an average 66.8% improvement in scar depth.
These treatments work by creating tiny, controlled injuries in the scar tissue, prompting the body to replace old, disorganized collagen with new, more evenly structured tissue. Multiple sessions are typically needed, spaced weeks apart, and results continue to improve for months after the final treatment. Downtime varies: non-ablative lasers involve a few days of redness, while ablative lasers may require a week or more of visible healing.
A Practical Scar Prevention Routine
For a fresh facial wound, here’s what effective daily care looks like:
- Clean gently. Wash with mild soap and water once daily to remove debris without irritating the tissue.
- Apply petroleum jelly. A thin layer keeps the wound moist and prevents scab formation.
- Cover the wound. Use an adhesive bandage, or silicone/hydrogel sheets for larger areas.
- Change the dressing daily. Fresh bandages reduce infection risk and maintain a clean healing environment.
- Start sun protection early. Once the wound has closed, apply sunscreen to the area before any sun exposure. Continue for at least 12 months.
- Consider silicone therapy. Once the wound is closed, silicone sheets or gel can help flatten raised areas and regulate collagen production during the remodeling phase.
The remodeling phase lasts up to a year, so consistency matters more than intensity. A simple routine you maintain for months will outperform an aggressive approach you abandon after two weeks.