Self-harm scars are both a medical issue and a trace of emotional distress. The first question parents ask when they discover these marks on their child's arm is, "Can these be erased?" To answer directly, if the timing and method are chosen correctly, treatment can make the scars less noticeable. However, it's better to understand that there may be individual differences rather than expecting them to disappear completely.
What You Can Do at Home When You First Discover the Injury
If the marks are discovered early, it's crucial to manage the injury before it hardens into a scar. In the clinic, the difference between cases with good initial response and those without becomes clearer over time. Basic care that parents can provide at home includes:
- Cleaning or disinfecting the injured area, then applying a moist dressing (hydrocolloid bandage) to prevent scarring.
- If the wound has healed and settled into a red scar, use a moisturizer to prevent the scar from worsening.
- Starting treatment as soon as possible during the red scar stage.
- Monitoring the child's emotional state to prevent recurrence of self-harm.
The red scar stage is known as an appropriate time to begin treatment. The longer you wait, the more stable the scar becomes, often requiring a re-evaluation of the treatment approach.
What Are the Treatment Methods for Self-Harm Scars?
Methods for treating self-harm scars generally fall into three categories: surgery, laser procedures, and cover-up tattoos. Their characteristics are summarized as follows:
| Treatment Method | Approach | Considerations |
|---|---|---|
| Surgery (Z-plasty) | Changes scar direction to make it less noticeable | May make scars appear longer on the arm |
| Surgery (Skin Graft) | Covers scar with skin from another area | May leave a scar at the donor site, and the grafted area may look different |
| Surgery (Suture) | Excises scar tissue and re-sutures | Limited if the scar is wide, may leave deep marks |
| Laser (Pinhole Technique) | Transforms linear scars into dotted lines to reduce visibility | Induces normal cell regeneration, requires a long-term approach |
| Cover-up Tattoo | Conceals scar with flesh-toned tattoo | Skin color changes with seasons, may create an unnatural look |
Among these, laser treatment is often recommended as it is relatively less burdensome and can address scars naturally.
Why Surgical Treatment Requires Caution
Surgical methods may seem highly effective, but they involve many considerations. First, Z-plasties, which change scar direction, can actually make scars appear more prominent in a Z-shape on the arm, where self-harm scars commonly occur. Second, while skin grafting is expected to cover scars, new scars may form at the donor site, and the grafted area may appear unnatural compared to the surrounding skin.
Suturing, which involves excising scar tissue and re-suturing, is limited by the need for skin elasticity. The wider the scar, the greater the problem, and deep surgical marks may remain internally.
For these reasons, a surgical approach to self-harm scars should be decided only after thoroughly assessing the situation. Reviewing similar concerns in Treatment Direction for Surgical Scars or Approach When Cosmetic Surgery Scars Remain may also be helpful.
Feel free to ask any questions via Self-Harm Scar Treatment Consultation.
How Does Laser Pinhole Technique Treat Scars?
For self-harm scar treatment using lasers, the Pinhole Technique is employed. The core principle lies in the difference in visual perception. Our eyes recognize solid lines faster than dotted lines. By applying the Pinhole Technique to linear scars, such as self-harm scars, and making them appear like dotted lines, they become less noticeable.
When the Pinhole Technique is performed, normal cells regenerate around the scar, filling and concealing it. However, this is not a one-time treatment but a gradual approach, assessing the scar's condition at each stage. Detailed information on related procedures can be found in Mild Pinhole Guide and Pinhole Alpha Procedure Information.
What to Consider Alongside Treatment Timing
It's easy to assume that there will be no difference in effectiveness whether white, settled scars are treated during adolescence or adulthood. Based on direct treatment experience, we have observed better outcomes for self-harm scar treatment in adolescence compared to adulthood. However, this can vary individually, so a precise judgment should be made through a medical consultation.
There is another important point. If self-harm recurs during treatment, the treatment period will be prolonged. Therefore, addressing underlying causes such as depression or stress is paramount. Continuously using wristbands or flesh-colored tape to cover scars does not significantly affect the scar itself, so it is advisable to pursue fundamental treatment concurrently. This process consistently requires parental attention and support.
Reasons Not to Recommend Cover-Up Tattoos
Covering scars with flesh-colored tattoos may seem effective. However, human skin color changes subtly with the seasons. Flesh-colored tattoos cannot adapt to these changes, potentially creating an unnatural look. This can ultimately lead to a situation where both the tattoo and the self-harm scar need to be removed, making treatment more complex. Therefore, we recommend exploring options like laser treatment or Surgical Scar Revision before considering scar cover-up tattoos.

Self-harm scar treatment requires caring not only for the scar itself but also for the emotional well-being behind it. By carefully choosing the timing and method, scars can be managed more naturally. If you have discovered such marks on your child, we recommend not rushing, but starting by accurately assessing the condition.
💬 Consult NowSang-Joo Lee, Chief Director (MD, PhD, Yonsei University College of Medicine and Graduate School; Completed Dermatology Residency at Severance Hospital; President of the Korean Society for Dermatology) Chief Director Sang-Joo Lee's Profile First Published 2023-08-18 / Last Reviewed 2026-06-16
Treatment effects and recovery processes may vary by individual, so the condition of the scar and the treatment direction must be confirmed through consultation with medical staff.
