Deep facial scars, particularly from acne, sit below the surface of the skin where creams and gentle exfoliation can’t reach them. Getting rid of them requires treatments that work in the deeper layers of skin, either by breaking up scar tissue, stimulating new collagen, or physically restructuring the scarred area. Most people see meaningful improvement through professional procedures, though the best approach depends on the specific type of scar you’re dealing with.
Why the Type of Scar Matters
Not all deep scars respond to the same treatment. Dermatologists generally classify depressed facial scars into three categories, and identifying yours is the first step toward choosing the right fix.
- Ice pick scars are small, narrow indentations that point sharply downward into the skin, like a puncture wound. They’re the deepest relative to their width, which makes them the hardest to treat with surface-level approaches.
- Boxcar scars are broader depressions with sharply defined, vertical edges, almost like a miniature box pressed into the skin.
- Rolling scars vary in depth and have sloping edges that make the skin look wavy and uneven. These are caused by bands of fibrous tissue pulling the skin down from underneath.
Many people have a mix of all three. That’s why dermatologists often recommend combining treatments rather than relying on a single procedure.
Laser Resurfacing
Fractional CO2 lasers are one of the most studied treatments for deep facial scars. They work by creating microscopic columns of controlled damage in the skin, triggering the body to replace old scar tissue with fresh collagen. A meta-analysis of clinical studies found an average improvement rate of about 38% after two rounds of treatment, with most study protocols using three to five sessions total.
The trade-off is downtime. After ablative CO2 laser resurfacing, expect roughly two weeks of recovery. Your skin will become dry and peel about five to seven days after treatment. New skin underneath will appear pink, gradually lightening over two to three months. Full resolution of redness can take up to a year. Erbium laser resurfacing, a somewhat gentler option, cuts recovery to about one week.
Ablative laser resurfacing typically costs between $1,650 and $3,420 through cosmetic surgeons, though dermatologists may charge anywhere from $400 to $2,500 per session depending on the treatment area and intensity. Insurance rarely covers scar treatment considered cosmetic.
Radiofrequency Microneedling
RF microneedling combines tiny needles (penetrating 2 to 3.5mm deep) with radiofrequency energy that heats the deeper layers of skin. The heat triggers collagen production across a larger volume of tissue than traditional microneedling alone. In one clinical study, 100% of patients showed moderate to excellent improvement in acne scar appearance after treatment.
RF microneedling has a significant advantage for people with darker skin tones. Because the energy is delivered through the needles directly into the dermis, it bypasses the melanin-rich upper layer of skin that lasers can inadvertently damage. This makes it far less likely to cause post-inflammatory hyperpigmentation, the dark spots that can be worse than the original scar. Studies have found significantly fewer pigmentation side effects compared to fractional CO2 lasers.
Subcision for Rolling Scars
Rolling scars have a specific structural problem: fibrous bands of scar tissue act like anchors, pulling the skin downward and creating visible dips. Subcision directly addresses this. A small needle is inserted beneath the scar and maneuvered to break up those fibrous strands, releasing the tension so the skin can lift back to its natural level.
Initial improvements may be visible within weeks, but collagen remodeling continues for several months afterward. Depending on how severe the scarring is, multiple sessions may be needed. The procedure typically costs $200 or more per session, making it one of the more affordable professional options. Subcision works best on rolling scars and is often combined with other treatments like laser resurfacing or fillers for a more complete result.
TCA CROSS for Ice Pick Scars
Ice pick scars are too narrow and deep for lasers or dermabrasion to effectively reach. The CROSS technique (chemical reconstruction of skin scars) uses a high-concentration acid applied with a tiny wooden applicator directly into individual scars. The acid triggers intense collagen production deep within the scar, gradually filling it from the bottom up.
This is a slow process that requires patience. After three sessions, about 20% of patients achieve excellent results (greater than 70% improvement). By six sessions, that number jumps to 70% showing excellent results, with an additional 25% showing good improvement. In one study, every patient treated with the highest concentration who completed five or six sessions achieved excellent outcomes. Sessions are spaced weeks apart to allow healing between rounds.
Dermal Fillers
Fillers offer a faster, less invasive route. They physically plump depressed scars by injecting volume beneath them. Several types are used for facial scarring, and they differ mainly in how long they last.
- Hyaluronic acid fillers (brands like Juvederm and Restylane) are temporary and need re-injection every few months.
- Bellafill, a collagen-based filler with microspheres, lasts around 12 months for acne scars.
- Poly-L-lactic acid (Sculptra) is semi-permanent, requiring occasional touch-ups after the initial series.
- Fat transfer uses your own fat, harvested from another area of the body. Once the transferred fat establishes a blood supply, the results are permanent.
Fillers work best for broader, shallower depressions like boxcar and rolling scars. They don’t restructure the scar itself, so they’re often used alongside treatments that stimulate long-term collagen remodeling.
Punch Excision for the Deepest Scars
Some ice pick and deep boxcar scars simply can’t be revised satisfactorily with lasers or dermabrasion alone because they extend too far into the skin. Punch excision removes the entire scar with a small circular tool, and the wound heals by secondary intention, meaning the skin closes naturally from the edges inward. Remarkable cosmetic improvement is typically noted about one month after the procedure. The resulting mark is usually flatter and easier to treat with resurfacing techniques if needed.
What Topical Products Can and Can’t Do
Prescription retinoids promote a healthier pattern of collagen production, encouraging skin to lay down collagen in a lattice pattern (like normal skin) rather than the parallel bundles found in scar tissue. But on their own, topical retinoids don’t generate enough deep remodeling to meaningfully improve established deep scars. Their best role is as a support player: when applied during or after microneedling, the tiny channels in the skin allow much deeper absorption, amplifying the retinoid’s effect. Over-the-counter scar creams, serums, and oils are even more limited. They may slightly improve skin texture and tone but won’t fill in a deep indentation.
Special Considerations for Darker Skin
If you have a medium to dark skin tone, the biggest risk from scar treatment isn’t the procedure itself but the dark or light marks it can leave behind. Lasers that target melanin-rich skin too aggressively can cause post-inflammatory hyperpigmentation that takes months to fade. Dermatologists reduce this risk by using longer wavelength lasers that penetrate deeper while bypassing the melanin-heavy upper skin layer, starting at lower energy settings and increasing gradually, and scheduling treatments during months with less sun exposure.
Your personal history with dark marks is the best predictor of your risk. If you tend to develop hyperpigmentation from acne, cuts, or bug bites, you’re more likely to develop it from laser treatment too. RF microneedling with insulated needles is often the safest energy-based option because it delivers heat below the surface without interacting with melanin at all. Strict sun protection before and after any procedure is essential regardless of skin tone.
Combining Treatments for Best Results
Most dermatologists treat deep scarring with a combination approach tailored to the specific scar types present. A typical plan might involve subcision first to release tethered rolling scars, TCA CROSS for scattered ice pick scars, and then a series of laser or RF microneedling sessions to improve overall texture. Fillers can be added at any point to provide immediate volume while longer-term collagen remodeling catches up. Building a treatment plan with a dermatologist who regularly treats scarring, rather than choosing a single procedure based on marketing, consistently produces the best outcomes.