If you’ve been researching acne scar treatments, you’ve probably seen subcision pop up as a “game changer” for rolling scars. But it’s not for everyone. The #1 reason people get poor results is getting subcision on the wrong scar type.
So how do you know if you are actually a good candidate? Here’s how dermatologists decide.
The Most Important Factor: Your Scar Type
Subcision only works on scars that are physically tied down under the skin. If there’s no tether to cut, the treatment does nothing.
You ARE a Good Candidate If You Have:
- Rolling scars: These are broad, shallow, wave-like depressions with soft, sloping edges. When you move your face under angled light, they look like ripples. This is the main scar type subcision was designed for.
- Tethered scars: Any depressed scar that flattens out when you stretch the surrounding skin. That means fibrous bands are pulling it down, and subcision can release them.
- Some boxcar scars: Wide boxcar scars can also be tethered underneath. If stretching the skin makes the scar look much shallower, subcision may help.
- Cellulite dimples with fibrous bands: Subcision is also used on the body for dimples caused by tight bands under the skin.
At-home test: Stand near a window or lamp. Tilt your face. Gently stretch the skin next to your scar with two fingers. If the depression pops up or looks way less noticeable, it’s likely tethered. That’s a green flag for subcision.
You Are NOT a Good Candidate If You Have:
- Ice pick scars: Deep, narrow, V-shaped pits that look like the skin was punctured. There’s no fibrous band to cut. Subcision won’t help. These need TCA CROSS or punch excision.
- Shallow boxcar scars without tethering: If stretching the skin doesn’t change the scar depth, it’s not tied down. Resurfacing treatments like laser or microneedling are better.
- Raised scars or keloids: Subcision can make these worse and trigger more scar tissue.
- Flat discoloration: Post-inflammatory hyperpigmentation or red marks aren’t true scars. There’s no depth to release.
- Active acne: If you’re still breaking out, you’re not a candidate yet. You need clear skin for at least 6 months before treating scars, or you risk new scars forming.
5 Other Signs You’re a Good Candidate for Subcision
Scar type is the biggest factor, but doctors also check for these:
1. Your Acne Is Fully Under Control
You should have no new pimples or cysts for at least 6 months. Treating scars while acne is still active often leads to more scarring and poor healing.
2. You Have Realistic Expectations
Subcision usually gives 20-50% improvement per session. Most people need multiple sessions. If you expect one treatment to give you perfect skin, you’re not a good candidate mentally, even if your scars qualify. The goal is “better,” not “flawless.”
3. You’re Medically Cleared for Minor Procedures
You may not be a candidate if you have:
- Bleeding disorders or are on blood thinners that can’t be paused
- Skin infections, eczema, or psoriasis in the treatment area
- A history of keloid scarring
- Poor wound healing due to uncontrolled diabetes or other conditions
- Pregnancy or breastfeeding
Always disclose your full medical history during consultation.
4. Your Skin Type Can Handle the Trauma
Subcision causes controlled injury under the skin. That means bruising and potential post-inflammatory hyperpigmentation, especially in medium to dark skin tones. You’re still a candidate if you have darker skin, but you need a doctor experienced in treating your skin type. They may pre-treat you to reduce pigmentation risk.
5. You’re Open to Combination Treatment
The best candidates understand subcision is often step one. Once the scar is released, the space needs to be kept open with filler or your own new collagen. People willing to combine subcision with other modalities like microneedling RF, fractional laser, or dermal filler usually see the best results.
How Doctors Confirm If You’re a Candidate
A good doctor won’t just look at you and book you in. They’ll do “scar mapping” under angled lighting. They’ll stretch your skin, feel for bands, and classify each scar.
If a clinic says “everyone is a candidate for subcision,” that’s a red flag. The right answer is often “you’re a candidate for subcision on these 5 scars, but not these 3 ice picks.”
The Bottom Line: Quick Checklist
You’re likely a good candidate for subcision if you can say yes to these:
- My main scars are rolling or tethered boxcar scars
- My scars flatten when I stretch the skin
- I haven’t had active acne for 6+ months
- I’m healthy and don’t form keloids
- I understand this takes multiple sessions for gradual improvement
- I’m seeing a doctor who specializes in acne scars, not just general aesthetics
If you tick most of those, book a consultation specifically for scar mapping. If you only have ice picks or flat marks, ask about TCA CROSS, lasers, or other options instead.
