How to prevent scars after a cut
Aftercare GuideUpdated April 2026

How to Prevent Scars After a Cut: The Complete Aftercare Guide

Scar prevention starts before the wound is even closed — and continues for months after. Here's exactly what to do at every stage to minimize scarring after a laceration.

The good news: most scars can be dramatically minimized with the right approach. The bad news: most people don't know what that approach is — and by the time they're asking "how do I prevent scars after stitches," some of the most important decisions have already been made.

This guide covers scar prevention from the moment of injury through the full healing process — including what to do in the first hour, the first week, and the first year.

Stage 1: The First Hour — The Most Important Decision

The single most important factor in scar prevention is who closes the wound. A board-certified plastic surgeon using proper technique will produce dramatically better results than a general ER physician using basic sutures.

The Stitch Doc: Call 1-(855)-STITCH0 and a board-certified plastic surgeon meets you at the hospital within 60 minutes. Insurance verified in 60 seconds. This is the single most impactful thing you can do for scar prevention.

While waiting for care: apply firm direct pressure, keep the wound clean, and avoid touching it with unclean hands. Do not apply hydrogen peroxide or iodine — these damage tissue and impair healing.

Stage 2: The First Two Weeks — Wound Care Basics

Keep it moist

Moist wound healing produces better scars than dry healing. Apply a thin layer of petroleum jelly (Vaseline) and cover with a non-stick dressing. Change daily.

Avoid sun exposure

UV radiation causes permanent darkening of healing scars. Keep the wound covered or apply SPF 50+ sunscreen if it must be exposed.

Don't pick or scratch

Scabs are part of the healing process. Picking them off disrupts the healing tissue and can cause deeper, more visible scars.

Watch for infection

Signs of infection: increasing redness, warmth, swelling, pus, or fever. Contact your surgeon immediately if you notice these signs.

Follow suture removal timing

Sutures left in too long cause track marks. Face sutures are typically removed at 5–7 days; body sutures at 10–14 days. Follow your surgeon's instructions exactly.

Stage 3: Weeks 2–12 — Active Scar Management

Once the wound is fully closed and sutures are removed, active scar management begins. This phase has the biggest impact on the final appearance of the scar.

Silicone gel or sheets

Silicone is the most evidence-based scar treatment available. Apply silicone gel twice daily or wear silicone sheets for 12+ hours per day. Start at 2 weeks post-closure and continue for 3–6 months.

Scar massage

Once the wound is fully healed (typically 3–4 weeks), massage the scar firmly with two fingers in circular motions for 5 minutes, twice daily. This breaks up collagen fibers and softens the scar.

Continued sun protection

Scars remain UV-sensitive for up to 2 years. Apply SPF 50+ daily to any scar that may be exposed to sunlight.

Avoid smoking

Smoking dramatically impairs wound healing and increases scar formation. Avoid smoking for at least 6 weeks after injury.

Stage 4: 3–12 Months — Advanced Options If Needed

If the scar is still visible or raised after 3 months of conservative management, there are additional options:

  • Steroid injections — flatten raised (hypertrophic) scars
  • Laser resurfacing — improves texture, color, and overall appearance
  • Surgical scar revision — re-excision and re-closure with advanced technique
  • Microneedling — stimulates collagen remodeling for smoother texture

Our plastic surgeons provide telehealth follow-up appointments and in-office scar management at our aftercare offices in New York, Long Island, and New Jersey.

Start Scar Prevention Right — From the First Stitch

Call us now. A board-certified plastic surgeon meets you at the hospital within 60 minutes. Insurance verified in 60 seconds. Available 24/7/365.

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