How can I reduce scarring after cosmetic surgery?
⚠️ When to contact your surgeon right away
Contact your surgeon promptly if your scar area becomes increasingly red, warm, swollen, or painful after the normal healing period, if you notice pus or discharge from the wound, if you develop a fever, or if the wound reopens. These signs can indicate infection or other complications that need prompt medical attention. If you experience severe pain, difficulty breathing, or other sudden serious symptoms, call emergency services immediately.
Short answer
Several approaches can help reduce scarring after cosmetic surgery. The strongest evidence supports botulinum toxin A (Botox) injections near the healing wound, which multiple large analyses of clinical trials show can produce narrower, flatter, and better-looking scars. Other strategies exist, but the evidence for them varies. Always follow your surgeon's specific aftercare instructions.
What the research shows
The most well-studied scar-prevention approach after surgery is botulinum toxin A (commonly known as Botox) injected into or around the healing wound shortly after closure. Three separate large analyses combining data from many randomized controlled trials all reached the same conclusion: patients who received these injections ended up with scars that were narrower, scored better on standardized scar rating scales, and reported higher satisfaction, compared to patients who did not receive injections. Importantly, complication rates were not significantly higher in the treatment groups. [1][2][3]
One smaller randomized study also explored combining botulinum toxin with another agent called polydeoxyribonucleotide (PDRN) for acne scars and found the combination produced the greatest improvement in scar scores compared to either treatment alone. [4]
Beyond injections, a comprehensive scar management plan may include non-surgical options (such as silicone sheets, pressure garments, or massage), surgical revision, and adjuvant therapies depending on scar type and symptoms. [6][7][8]
What this means for you
If you are concerned about scarring after cosmetic surgery, it is worth having a conversation with your surgeon before your procedure about scar prevention options. Botulinum toxin injections at or shortly after wound closure appear to be a safe and effective add-on treatment, particularly for facial scars. [1][3] Results appear most consistent for Asian patients and facial wounds, so ask your surgeon whether the evidence applies well to your specific situation. [3]
Scar management is not one-size-fits-all. Factors like your skin type, the location of the incision, and whether you tend to form raised or thickened scars (called hypertrophic scars or keloids) all affect which approach is best for you. [7][8] A specialized scar management plan tailored to your needs is more likely to be effective than any single treatment used alone. [6]
Caveats
While the evidence for botulinum toxin is encouraging, most studies have been relatively small, and researchers acknowledge that treatment protocols are not yet fully standardized, meaning the ideal timing, dose, and injection technique are still being refined. [3] The evidence for other scar treatments such as silicone, laser, or pressure therapy comes mainly from observational studies and expert protocols rather than large randomized trials, so certainty is lower. [6][7]
Scarring also carries a real emotional and psychological impact. [1][8] If you find that a scar is affecting your mental wellbeing, please let your surgeon or care team know so they can connect you with the right support alongside physical treatment.
What to ask your surgeon
- Am I a good candidate for botulinum toxin injections to help prevent scarring at my incision site?
- Do I have any risk factors for hypertrophic scars or keloids that might change my scar management plan?
- What non-surgical aftercare steps (for example, silicone sheets or massage) do you recommend for my specific procedure?
- At what point after surgery should I start scar treatment, and how long should I continue?