Typical ranges. Session numbers, timelines and results vary with severity, the treatment chosen and individual response — your plan is confirmed at consultation.
A carbon dioxide (CO₂) laser emits light at 10,600 nm, a wavelength absorbed by the water in skin cells, which vaporises a precise depth of tissue. In its original, fully ablative form it removed the entire skin surface — effective but with weeks of downtime and, on darker skin, a high risk of pigmentation. Fractional delivery changed that: the beam is split into a grid of microscopic columns, treating perhaps 10–30% of the surface in a session and leaving healthy skin around each column to repopulate it quickly.
Each column is a controlled injury that heals by producing new collagen, and the surrounding intact skin makes that healing fast. Over three to six months the dermis remodels: scar edges soften, depressed areas fill from below, and texture evens out. Because the injury is deeper and more thermal than MNRF or microneedling, the remodelling is stronger — and the downtime and pigmentation risk are correspondingly higher.
On Indian skin (Fitzpatrick IV–V), fractional CO₂ is therefore used selectively and conservatively: lower densities, careful energy, pre-treatment with lightening creams, strict sun protection afterwards, and often after MNRF has done the first part of the work. Used that way it is the right tool for well-defined boxcar acne scars, surgical and traumatic scars and stubborn texture. It is not the first choice for rolling scars, mild pores, or for anyone who cannot accept a week of visible recovery.
Adults with well-defined boxcar acne scars, surgical or traumatic scars, or resistant texture, whose active acne is controlled and who can accept five to seven days of visible recovery. It suits lighter and medium Indian skin best; on deeper skin tones the dermatologist may recommend MNRF as the safer route or use CO₂ only at conservative settings after preparation. It is not for active acne, recent isotretinoin, a tendency to keloid, or anyone unable to commit to strict sun protection for a month afterwards — the risk of post-treatment darkening depends on it.
Fractional CO₂ is usually a course of 2–4 sessions spaced 6–8 weeks apart, fewer than MNRF because each session does more. Texture improves visibly after the first session once healing is complete; scar depth improves gradually as collagen matures, with the fullest result 3–6 months after the last session.
Because the pigmentation risk on Indian skin rises with density and energy, we treat conservatively and accept one extra session rather than push a single one too hard. Your dermatologist will give you a range for your scars at consultation.
An MD dermatologist maps your scars and recommends CO₂ for the scars that need it — and MNRF, subcision or TCA CROSS for the ones that do not.
Conservative density and energy, pre-treatment creams and strict aftercare, because post-treatment darkening is the risk that matters on Fitzpatrick IV–V skin.
CO₂, MNRF, subcision and peels are all here, so the combination is built around your scars rather than around one machine.
Baseline and follow-up photographs in the same light, so both of us can see what changed.
Lavanayam Skin, Hair and Laser Clinic, GF 06/07, 14th Avenue High Street Market, Gaur City 2, Greater Noida West, UP – 201318. A few minutes from Gaur City 1, Noida Extension and Sector 16C.
Tuesday – Sunday: 10:30 AM – 7:30 PM
Medically reviewed by Dr. Anshul Choudhary, 18 September 2026.
Book a consultation at Lavanayam and let our experts design the perfect treatment plan for you.