Microneedling for Acne Scars: How Many Sessions and What Results to Expect

Microneedling improves acne scars by making thousands of tiny, controlled punctures that trigger the skin to build new collagen under depressed scars. It works best on rolling and shallow boxcar scars, is safe for all skin tones, and has little downtime. Most people need a series of 3 to 6 sessions about 4 to 6 weeks apart, and results keep improving for several months. RF microneedling, such as Morpheus8, adds radiofrequency heat at the needle tips to remodel deeper and to tighten skin at the same time. Deep ice pick and tethered scars need other treatments alongside it.

This guide explains how microneedling works for acne scars, standard vs RF microneedling, how many sessions you need, what results to expect and what it costs.

How microneedling treats acne scars

Depressed acne scars form when inflammation destroys collagen. Microneedling creates tiny channels in the skin; as they heal, the skin produces new collagen and elastin that gradually lift and smooth the scar. Because the surface stays largely intact, healing is quick and the risk of pigment changes is lower than with heat-based lasers, which is why the American Academy of Dermatology notes microneedling is safe for all skin tones.

Standard vs RF microneedling

Both are well studied for acne scars. Head-to-head research is mixed: a 2022 review of randomized trials found standard microneedling did at least as well for scars as RF microneedling, while RF microneedling also tightens skin and treats pores, which many people want at the same time. Your provider will suggest the option that matches your scars and skin.

Which acne scars respond?

• Rolling scarsRespond well, especially after subcision releases the bands that pull them down.
• Shallow boxcar scarsRespond well over a series.
• Deep boxcar scarsImprove, often combined with laser resurfacing.
• Ice pick scarsRespond poorly to microneedling alone; they need targeted techniques.
• Red or brown marksThese are not scars; see dark marks after acne.

Our guides to acne scar treatments and depressed acne scars match each scar type to its treatment.

What to expect

1. Before: acne should be under control; avoid retinoids and exfoliants for a few days and tell us about recent isotretinoin.
2. During: numbing cream is applied first; the treatment itself takes under an hour.
3. After: redness and mild swelling like a sunburn, then dryness or light flaking. Keep the skin clean, moisturized and out of the sun.
4. Results: skin looks fresher within a couple of weeks, but scar improvement builds over 3 to 6 months and with each session.

Microneedling vs laser for acne scars

Lasers such as HALO resurface the surface and work well for texture and sun damage, but heat-based lasers need more care in darker skin. Microneedling and RF microneedling work deeper with a lower risk of pigment changes. Many plans use both; see laser treatment for acne scars.

Cost at Glow Theory

New clients save 20% on a package of three Morpheus8 sessions. Subcision is priced at your consultation. Financing is available on treatments of $2,000 or more.

Acne scar treatment in Carlsbad

See Morpheus8 in Carlsbad and how Morpheus8 works, or book a consultation at our studio on El Camino Real in South Carlsbad.