Acne scars overview
Informed by recognized medical guidance
Overview
Acne scars are permanent marks left on the skin after severe acne heals. They happen when the skin’s healing process goes wrong, leaving indentations or raised spots.
Key facts
- Most common in people with moderate to severe acne.
- Can affect self-esteem and quality of life.
- Various treatments exist to improve the appearance of scars.
Yes, acne scars are common. Many people who have had acne develop some degree of scarring.
Anyone who has had acne can develop scars. It is more common in those with severe, inflamed acne or those who pick or squeeze their spots.
Symptoms
- Acne scars themselves do not require emergency care. If severe redness, swelling, or fever develops, seek emergency help (possible infection).
- ⚠Sudden swelling, pain, or pus around a scar (sign of infection).
- ⚠Worsening redness spreading from a scar.
Common symptoms
- Indentations or depressions in the skin (atrophic scars).
- Raised scars (hypertrophic or keloid scars).
- Dark or red marks (post-inflammatory hyperpigmentation) that usually fade over time.
Symptoms in children
- Children with severe acne can develop similar types of scars – indentations or raised spots.
Symptoms in older adults
- Older adults may have scars from past acne, often less inflamed but still visible. New scars are less common.
Causes
Main causes
- Inflammatory acne breaks down skin tissue, leading to scar formation when the healing process is abnormal.
- Picking or squeezing pimples increases the chance of scarring.
Risk factors
- Having severe or nodular acne.
- Delaying treatment for acne.
- Genetics – if your family scars easily.
- Hormonal changes that trigger acne outbreaks.
When to see a doctor
See a doctor urgently if:
- If a scar becomes infected (red, hot, painful, oozing pus).
Book a routine appointment if:
- If acne scars bother you or affect your self-esteem.
- To discuss treatment options and the best plan for your skin type.
Diagnosis
A dermatologist (skin doctor) will examine your skin and look at the shape, depth, and type of scars.
Tests that may be done
- No special tests are needed. In rare cases, a small skin sample (biopsy) may be taken if the scar looks unusual.
What to expect at your appointment
The doctor will ask about your acne history, examine the scars, and recommend a treatment plan based on the type and severity of scarring.
Treatment
Treatment depends on the scar type and severity. Options range from creams and gels to medical procedures that resurface or fill the skin.
Self-care at home
- Protect scars from the sun with broad‑spectrum sunscreen (SPF 30+) to prevent darkening.
- Use silicone gels or sheets on raised scars (available at pharmacies).
- Do not pick or squeeze pimples – this prevents new scars.
Medical treatments
A doctor or dermatologist may offer procedures such as laser therapy, chemical peels, microdermabrasion, microneedling, or injectable fillers. Topical creams that support skin renewal may also be prescribed. These treatments aim to smooth, fade, or raise depressed scars.
When is surgery considered?
For deep, narrow scars (ice‑pick scars) minor surgery like punch excision may be performed to remove the scar and allow the skin to heal more evenly.
Living with this condition
Acne scars are usually painless but can affect how you feel about your appearance. You can use makeup to cover scars, but non‑comedogenic products are best.
Lifestyle tips
- Avoid the sun to prevent scars from darkening.
- Don’t smoke – smoking slows healing and can worsen scars.
- Manage stress, which can trigger acne flare‑ups.
Diet and exercise
A healthy diet with plenty of fruits, vegetables, and water supports skin health. No specific diet removes scars, but good nutrition helps healing.
Mental health and emotional wellbeing
Acne scars can cause embarrassment, anxiety, or low mood. It is important to share these feelings with a trusted person or a professional.
Prevention
Not all acne scars can be prevented, but early and effective treatment of acne reduces the risk. Avoid picking or squeezing pimples.
Complications
If left untreated
- Scars may become more noticeable over time.
- Persistent low self‑esteem or social anxiety.
Long-term outlook
Many treatments can significantly improve the appearance of acne scars. While they may not disappear completely, they often become much less noticeable. Help is available, and most people see good results.
Find support
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.