2025 Acne Scar Types & Treatments: Boxcar, Icepick, Rolling Scars Explained with Prices
Discover the different types of acne scars including boxcar, icepick, rolling, hypertrophic, and keloid scars. Learn effective 2025 treatment options and how to manage discoloration for clearer skin.
Acne scars come in various forms depending on the severity and type of acne you experience. While some minor scars can improve with home remedies, most require professional dermatological care for optimal results.
Almost everyone encounters acne at some point, often during inconvenient moments like before important events. Acne develops when pores become clogged with oil and dead skin cells, allowing bacteria to cause inflammation and red bumps.

Understanding Acne Severity
Acne ranges from mild to severe. Severe acne often involves painful cysts or nodules beneath the skin, while moderate acne features red and pus-filled pimples. Mild acne typically produces blackheads or whiteheads with minimal redness.
Light red or brown marks from healed acne usually fade naturally over time. However, severe and cystic acne can leave permanent scars, especially if the acne is picked or squeezed.
While some people avoid scarring altogether, most will experience some form of acne scarring, which varies based on acne type and treatment approach.
Visual Guide to Acne Scars
Acne scars appear as skin depressions or raised areas, varying in color from skin-tone to darker or pink hues. The main scar types include:
Common Acne Scar Types
Atrophic Scars
These are shallow, flat indentations below the skin surface, often caused by severe cystic acne. Atrophic scars are categorized into three types:
Boxcar Scars
Boxcar scars are broad, rectangular depressions with defined edges, commonly found on the cheeks and jawline where skin is thicker. They result from widespread acne or infections like chickenpox.
Ice Pick Scars
Ice pick scars are narrow, deep pits that penetrate the skin, mostly appearing on the cheeks. These scars are challenging to treat and usually require persistent professional intervention.
Rolling Scars
Rolling scars create wave-like, uneven skin with sloping edges and variable depth.
Hypertrophic and Keloid Scars
Unlike atrophic scars, these are raised scars formed by excess scar tissue. Hypertrophic scars stay within the acne area size, while keloids extend beyond, growing larger than the original wound. They commonly appear on the jawline, chest, back, and shoulders and are more frequent in darker skin tones.
Post-Inflammatory Hyperpigmentation (PIH)
PIH is discoloration left after acne heals, not a true scar. It appears as dark or red patches and usually fades with time and proper sun protection. It is more common in darker skin and in those who pick at acne.
Effective Treatments for Atrophic Scars
Treatment occurs in two phases: reducing scar depth and addressing discoloration.
Phase 1: Scar Depth Reduction
Dermatologists offer several treatments to smooth the skin surface, including:
- Chemical Peels: Using acids like glycolic or salicylic to exfoliate skin layers, best for mild scarring.
- Dermabrasion: Mechanical sanding to even out scars, requiring multiple sessions.
- Dermal Fillers: Injectables like hyaluronic acid to raise depressed scars.
- Laser Therapy: Ablative lasers remove skin layers; non-ablative lasers stimulate collagen.
- Microneedling: Tiny needle injuries promote collagen and skin healing.
- Punch Excision and Grafting: Surgical removal and replacement of scar tissue.
- Subcision: Breaking fibrous bands pulling scars down.
- TCA Cross: Applying trichloroacetic acid to stimulate collagen in deep scars.
Phase 2: Discoloration Treatment
Follow-up treatments focus on fading dark spots using chemical peels, laser therapy, and sun protection.
Home Remedies
Over-the-counter retinoids like Differin can help promote collagen and even skin tone. Avoid at-home chemical peels without professional guidance to prevent damage.
Treating Hypertrophic and Keloid Scars
Professional Options
- Steroid Injections: Reduce scar tissue height over several treatments.
- Surgical Removal: Excising the scar.
- Laser Therapy: Both ablative and non-ablative lasers can improve raised scars.
At-Home Care
- Bio-Oil: Limited evidence suggests it may reduce raised scar appearance.
- Massage: Helps soften scar tissue.
- Silicone Sheets: Products like ScarAway flatten scars over time.
Managing Post-Inflammatory Hyperpigmentation
Clinical Treatments
- Chemical Peels and Laser Therapy
- Hydroquinone Creams
- Prescription Retinoids: Enhance collagen and lighten dark spots more effectively than OTC options.
Home Care
- Daily sunscreen with SPF 30+ containing zinc oxide or titanium dioxide with iron oxide for optimal protection.
- OTC retinoids like Differin for gradual improvement.
When to Consult a Dermatologist
If discoloration or scarring persists beyond a year or significantly affects your confidence, consult a dermatologist to tailor a treatment plan. While home remedies can support skin health, professional treatments yield superior results.
Summary
Acne and its scars are common but manageable conditions. Understanding scar types and available treatments helps you make informed choices. For personalized care and best outcomes, seek professional dermatological advice.
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