Marks versus scars
Run a finger over the area with your eyes closed. If the surface is smooth and the problem is colour — brown, red or purple patches where spots used to be — that is post-inflammatory pigmentation or redness, not a scar. It sits in the skin's colour, not its shape, and it fades over months.
If you feel a dip, a pit or a wave, the collagen underneath was damaged and rebuilt unevenly. That is a scar, and time alone will not fill it.
The three shapes, and why they behave differently
Most faces have a mix. A plan that treats every scar on your face with one setting will overtreat some areas and undertreat others, which is why the assessment matters more than the device.
- Ice pick: narrow, deep, like a pinprick. The hardest kind, because the damage goes deeper than most resurfacing reaches.
- Boxcar: wider with defined edges, like a small crater. Responds better, because the base can be reached.
- Rolling: shallow waves with soft edges, caused by tethering under the skin. Often responds well once the tethering is released.
What actually helps each
Broadly: colour problems need pigment and inflammation control plus consistent sun protection. Texture problems need controlled injury that prompts the skin to rebuild collagen — microneedling and fractional resurfacing are the usual routes, spaced weeks apart across several sessions.
Tethered rolling scars sometimes need the tethering released before resurfacing achieves much. That is a minor procedure and belongs with a licensed medical facility — worth knowing before you buy a resurfacing package anywhere.
Expectations worth setting now
Scar work is measured in improvement, not erasure. A realistic outcome across a full course is meaningful smoothing in good light, not a face that looks like the acne never happened. Any promise of complete removal should make you cautious about everything else being said.
Results also arrive slowly. Collagen rebuilds over months, so the honest review point is well after the last session, not the week after it.
Sun protection is not optional here
Hanoi's ultraviolet levels stay high for much of the year, and fresh marks darken quickly with exposure. Sunscreen used daily is the cheapest part of any scar plan and the part most often skipped. Without it, pigment work is a treadmill.