How Much Does One Session Improve Acne Scars — Real Numbers from Clarity
How much do acne scars improve in 1 session · in 3 · in 5? Dr. Big shares real numbers from cases at Clarity Clinic Ratchathewi, near BTS.
“How much do acne scars improve in 1 session?”
Dr. Big hears this daily — patients want a clear number before paying. The honest answer is 15–25% in one session for a typical case, depending on scar type, depth, technique, and post-treatment habits.
This article gives real numbers from Clarity cases — no overpromising.
Average improvement per number of sessions
From Clarity’s patient data, common patterns:
| Sessions | Cumulative improvement | What patients feel |
|---|---|---|
| Session 1 | 15–25% | “Starting to see a change” |
| Session 2 | 25–40% | “People around me notice my skin looks smoother” |
| Session 3 | 40–55% | “Wearing less foundation” |
| Session 4 | 55–70% | “The scars that stood out are getting hard to see” |
| Session 5 | 60–80% | “In normal light, people can’t tell anymore” |
Important: the % isn’t “scars gone” but “scars shallower” — in normal light it feels “almost gone.”
Read more: Subcision: how many sessions to see results and How much can acne scars improve.
Factors that change the %
A. Scar type
| Scar type | % per session |
|---|---|
| Rolling (wide, shallow) | 20–30% — responds well to Subcision |
| Box (square, medium) | 15–25% |
| Mixed | 15–25% |
| Ice pick (narrow, deep) | 10–15% — needs TCA Cross |
Read more: Acne scar types.
B. Depth
- Shallow (< 1 mm): faster — 25–35%/session
- Medium (1–2 mm): typical — 15–25%/session
- Deep (> 2 mm): slow — 10–15%/session
Read more: Deep vs shallow acne scars.
C. Age
- < 30: good collagen production — above average
- 30–40: typical
- 40+: slower · may need 1–2 extra sessions
D. Post-treatment habits
SPF50 daily (+5–10%/session) · collagen-supporting food (+5%) · 7–8 hours sleep (+3–5%) · not picking new acne (+5%) · smoking (−10–15%) · no sunscreen (−10–20%).
Read more: Sunscreen after acne scar treatment and Collagen after acne scar treatment.
Why “100% / fully cured” isn’t possible
Honestly, per the science: acne scars are lost skin structure in the dermis and sub-dermal layer. The best treatment makes them “as shallow as new collagen can fill” — no method returns the skin to exactly 100%. The realistic clinical goal is 60–80% improvement — invisible to most people in normal light. Dr. Big doesn’t promise 100% because it isn’t true scientifically, it sets false expectations, and it breaches professional ethics.
Is one session worth it?
On a tight budget: you can try one first · 15–25% improvement (in 4–8 weeks) · then decide. Expecting it cured in one: not worth it — you’ll be disappointed. Serious about it: 3–5 sessions · 15,000–25,000 baht (Clarity) · for a 60–80% result.
Frequently asked questions
Q: Does one Subcision cure it? A: No · 15–25% improvement · 3–5 sessions for a 60–80% result.
Q: Other clinics say “50% in one session” — true? A: Not true — that’s overpromising · the real figure of 15–25% is scientific reality.
Q: Does “80% improvement” mean the scar is 80% gone? A: Not “gone” but “80% shallower” — in normal light most people won’t see it.
Q: If 5 sessions gives 60% but I want 80%, can I continue? A: Yes · sessions 6–8 may add 10–20% · maintenance every 6–12 months preserves it.
Q: Where can I discuss a realistic target % near BTS? A: At Clarity Clinic Ratchathewi, near BTS Ratchathewi (1-min walk), easy to reach from Siam, Phaya Thai, all of Bangkok — Dr. Big assesses and treats in person, free 30-min consult.
Summary
- 1 session: 15–25% (a change begins)
- 3 sessions: 40–55% (people start noticing)
- 5 sessions: 60–80% (invisible to most)
No “100% cure” — but a 60–80% result is worth it and achievable.
Contact:
- LINE: @clarityclinic — send a photo of your acne scars for Dr. Big to review
- Location: Spring Tower, B Floor · Ratchathewi, near BTS (Siam, Phaya Thai, all Bangkok)
- Free 30-minute consult with Dr. Big in person
- Price 5,000 baht/session including all main procedures + aftercare cream · pay per session, no course packages
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