Can Acne Scars Naturally Fill In Over Time?

Can Acne Scars Fill in on Their Own Over Time?

Quick Summary: Acne scars cannot fill in on their own over time because deep tissue damage leads to the loss of dermal collagen fibers. However, this condition can be significantly improved through modern aesthetic treatments such as dermal fillers, microneedling, chemical peels, or lasers. To effectively prevent acne scarring, early acne treatment and proper skincare are crucial.

This article is compiled by Dr. Kim Kha, MSc, Specialist Level I in Aesthetic Dermatology, holder of Practicing License No. 009784/ĐL-CCHN issued by the Dak Lak Department of Health, with over 8 years of experience in acne treatment and non-surgical aesthetics at BonBoz Clinic. BonBoz Clinic is an Aesthetic & Dermatology Clinic licensed by the Ho Chi Minh City Department of Health (Operating License No. 11113/HCM-GPHĐ), located at 66–68 Vo Van Tan, HCMC, ensuring accurate and reliable medical information.

Expert Perspective: "Acne scars cannot completely fill in on their own over time because deep inflammatory acne destroys collagen and elastin fibers beneath the skin, leaving permanent depressions without clinical intervention." — Dr. Kim Kha, MSc, Specialist Level I This information is based on established dermatological principles.

Can acne scars fill in on their own over time?

Unfortunately, no. Atrophic acne scars (depressed scars) do not naturally fill in completely over time. When deep inflammatory acne damages the underlying collagen layer, the body attempts to repair itself, but the response is usually insufficient to fully fill the scar. The scarred area forms small indentations that will remain permanently without therapeutic intervention.

Why don't acne scars heal on their own?

The scarring process occurs when inflammatory acne destroys collagen and elastin fibers in the skin. After the acne resolves, the body attempts to repair the damage by producing new collagen; however, this amount is often significantly less than what was lost. This leads to permanent depressions if left untreated.

Furthermore, depending on the depth of the damage and the scar type, some scars may slightly soften over time, but they will not disappear completely. Non-inflammatory comedones (blackheads, whiteheads) generally do not leave atrophic scars, whereas deep inflammatory acne (cysts, pustules) is highly prone to causing them.

Which methods help improve atrophic acne scars?

Although they cannot fill in on their own, atrophic scars can be significantly improved with modern aesthetic treatments:

• Dermal fillers (HA fillers): Injecting hyaluronic acid or similar substances to elevate the scar base, making the depressions less visible.
• Microneedling: Using fine needles to stimulate natural collagen production, helping the skin regenerate from within.
• Chemical peeling: Removing outer skin layers to stimulate cellular turnover and refine surface texture.
• Lasers: Laser technologies can remodel collagen and effectively smooth the skin surface.

Choosing the right method depends on the scar depth, scar type, and individual skin condition.

How can you prevent acne scarring?

The best approach is always prevention:

• Early acne treatment: Avoid prolonged or worsening inflammatory acne by seeking early medical consultation and treatment.
• Do not pop pimples: Squeezing blemishes manually increases inflammation and worsens skin damage.
• Proper skincare: Cleanse gently and use skincare products appropriate for your skin type.
• Sun protection: UV radiation can aggravate acne lesions and make scarring more pronounced.

If you are currently experiencing acne breakouts, seek early clinical consultation and treatment to minimize scarring risks. BonBoz Clinic provides comprehensive acne management—from foundational care to intensive clinical treatments—to help control acne before it leaves lasting marks.

What if you already have atrophic scars?

Do not worry; although atrophic scars do not resolve on their own, they can be substantially improved. The degree of improvement depends on scar depth, skin age, and the selected treatment modality.

You should undergo an in-person consultation so our physicians can evaluate your scar types and tailor the most appropriate treatment plan. BonBoz possesses extensive clinical experience in treating atrophic acne scars with effective procedures to restore smoother skin.

Conclusion

Atrophic acne scars do not fill in on their own over time, but this does not mean you have to live with them permanently. Prevention through early acne treatment remains the ideal approach; however, if scarring has already occurred, contact BonBoz Clinic for professional guidance to regain smooth, healthy skin.

Read more: 5 criteria for choosing a reputable acne scar treatment clinic in HCMC

References

• DermNet — Acne scarring (atrophic scars do not self-resolve; procedural intervention required), accessed 03/10/2026
• AAD — Acne scars: Diagnosis and treatment, accessed 03/10/2026

Frequently Asked Questions

Can acne scars heal naturally over time?

No. Atrophic scars cannot completely fill in on their own over time because deep inflammatory acne destroys collagen and elastin fibers within the dermis, creating permanent depressions without clinical intervention.

Which types of acne are most likely to cause atrophic scars?

Deep inflammatory acne lesions, such as cysts and pustules, are highly prone to causing atrophic scars. Conversely, non-inflammatory comedones like blackheads or whiteheads rarely result in this type of scarring.

What treatments are available today to improve atrophic scars?

Atrophic scars can be improved with modern aesthetic modalities, including dermal fillers (hyaluronic acid), microneedling, chemical peels, or laser resurfacing technologies to stimulate collagen remodeling.

How can one prevent scarring during an acne breakout?

To prevent atrophic scarring, you should treat acne early, avoid picking or squeezing lesions manually, maintain a proper skincare routine, and protect your skin against UV radiation.

1. What are the common types of atrophic acne scars?

Atrophic acne scars are typically categorized into ice pick scars, rolling scars, and boxcar scars. Each scar type exhibits distinct structural characteristics and depths, influencing the selection of the optimal treatment modality. To accurately determine your scar types and severity, visit BonBoz Clinic for a direct consultation with our dermatologists.

2. Can at-home skincare improve atrophic acne scars?

Appropriate at-home skincare—especially maintaining hydration and sun protection—supports skin barrier recovery and helps fade post-inflammatory hyperpigmentation (PIH). However, for established atrophic scars, conventional topical skincare products cannot meaningfully fill in structural depressions. To achieve visible scar improvement, consult with our specialist physicians at BonBoz Clinic for professional, advanced clinical treatments tailored to your skin condition.