Acne Scars Treatment: Ice Pick, Boxcar and Rolling Scars Explained

What are acne scars?

Acne scars form when deep, inflamed pimples damage the collagen in the skin. Most acne scars are atrophic, meaning they sit below the skin surface because tissue has been lost. A smaller number are raised (hypertrophic scars or keloids), most often on the jawline, chest and back.

On social media, “skinmaxxing” routines promise “glass skin” with layers of products. Good skin care helps acne and marks, but it cannot lift a true scar. Scars change the structure of the skin, so they need treatments that work at that level.

What are the types of acne scars?

Scar type	What it looks like	Treatments often used
Ice pick	Narrow, deep pits, like a puncture	Focused chemical treatment (TCA CROSS), punch excision or punch grafting
Boxcar	Round or oval dips with sharp edges	Fractional laser, punch elevation or excision, peels, microneedling
Rolling	Wide, soft dips with sloping edges that make skin look wavy	Subcision, fat grafting or fillers, microneedling
Raised (hypertrophic or keloid)	Firm bumps, often on jawline, chest, back	Steroid injections, silicone, laser
Pigmentation (not a true scar)	Flat brown or red marks	Sun protection, prescription creams, time

Most faces have a mix, which is why treatment is usually a combination.

How do the main treatments compare?

Treatment	How it works	Downtime	Points to weigh
Chemical peels and TCA CROSS	Controlled injury that stimulates collagen	Days to a week	Pigmentation risk in brown skin if too strong
Microneedling, with or without PRP	Tiny needle injuries trigger repair	1 to 3 days of redness	Several sessions; PRP may add a little benefit
Fractional laser (for example CO2)	Resurfaces skin in tiny columns	About a week	Several sessions; careful settings for darker skin
Subcision	A needle releases bands tethering the scar down	Bruising for 1 to 2 weeks	Suits rolling scars well
Punch techniques	Cutting out or lifting individual scars	1 to 2 weeks	For deep, isolated ice pick or boxcar scars
Fat grafting or fillers	Adds volume under depressed scars	Days to 2 weeks	Fillers are temporary; some fat is reabsorbed
Scar revision surgery	Cuts out larger scars and closes them neatly	1 to 2 weeks	Swaps a pit for a fine line

A review of surgical options in skin of colour, published in an Indian journal, and studies of subcision with microneedling in darker skin, support combining methods while keeping the risk of post-inflammatory pigmentation low.

How is a treatment plan usually staged?

Acne scar treatment is rarely a single visit. A typical plan looks like this:

1. Control active acne first, with skin care and prescription treatment if needed, because new breakouts create new scars.
2. Map the scars by type and depth, ideally in good side lighting.
3. Treat deep, individual scars first, for example with punch techniques or focused chemical treatment, because these respond poorly to resurfacing alone.
4. Release tethered scars with subcision, and add volume with fat grafting or fillers where the skin is sunken.
5. Resurface the overall texture with fractional laser, microneedling or peels over several sessions.
6. Protect the result with sun protection and acne prevention.

Improvement builds gradually over months, and it helps to compare photographs taken in the same lighting rather than judging in the mirror.

Can acne scars be prevented?

Not always, because genetics plays a part, but the risk can be lowered. Treat acne early rather than waiting for it to “run its course”, especially deep, painful or cystic spots. Avoid picking, squeezing or popping pimples. If over-the-counter products have not helped within a couple of months, see a doctor, as prescription treatment can stop the deeper breakouts that cause most scarring. People with a parent or sibling who has acne scars benefit most from early treatment.

Why does skin colour matter?

Brown skin, common in India, is more likely to darken after inflammation. Aggressive lasers or strong peels can leave patches darker than the scars were. A cautious plan may include preparing the skin beforehand, gentler settings, longer gaps between sessions and strict sun protection afterwards.

Which DIY trends should you avoid?

• Home dermarollers and derma pens, which can cause infection, pigmentation and new scars.
• Strong acids bought online, used without supervision.
• Squeezing or picking pimples, which increases inflammation and scarring.
• “Scar removal” creams that promise to erase scars. Evidence for most over-the-counter scar products is limited.

Myths about acne scars

• “Scars fade on their own if you wait.” Pigmentation often fades; true pitted scars usually do not.
• “One laser session will fix them.” Most plans need several sessions and more than one method.
• “Toothpaste or lemon juice helps.” These irritate the skin and can worsen pigmentation.
• “Scars mean you did not look after your skin.” Scarring depends a lot on genetics and how deep the acne was.

When should you see a doctor?

• You still get deep, painful pimples or cysts: treating acne early is the most effective way to prevent new scars.
• You have pitted or wavy scars that have not improved after acne has settled.
• Scars are raised, itchy or growing, which may be keloids.
• Scarring is affecting your confidence or how you go about your day.

Acne and its scars can weigh heavily on self-esteem. If it is affecting your mood, talk to a doctor or call the free Tele MANAS helpline on 14416.

What should you ask at a consultation?

• Which scar types do I have, and which treatment suits each?
• How many sessions might I need, and how far apart?
• What is my risk of pigmentation, and how will you reduce it?
• Would surgery, subcision or fat grafting help any of my scars?

For deeper or larger scars, see scar revision surgery. You can also compare options in scar revision surgery or laser, and read about fat grafting and PRP therapy.