Kare Plastic Surgery & Skin Health Center · Santa Monica & Los Angeles
TCA Cross Acne Scar Treatment Santa Monica
804 7th Street, Santa Monica, CA 90403 · Near Montana Avenue · (310) 998-5533
The gold standard treatment for ice pick and boxcar acne scars — performed with dermatologist-level precision by Dr. Raffy Karamanoukian and board-certified dermatologist Dr. Tiffany Sierro at Kare Plastic Surgery in Santa Monica
Call (310) 998-5533 Request a Consultation
Ice Pick Acne Scar TreatmentTCA Gold Standard Ice Pick Treatment
Dermatologist and Plastic Surgeon Duoboard certified specialists in acne scars
TCA Cross Acne Scar Treatment Santa Monica
TCA CROSS: Trichloroacetic Acid Chemical Reconstruction Of Skin Scars
Dr. Raffy Karamanoukian, MD, FACS Dual Board-Certified Plastic Surgeon Graduate, UCLA School of Medicine · TCA Cross · CO2 Laser · Subcision · Acne Scar Multimodal Protocol · Kare Plastic Surgery, Santa Monica · With Dr. Tiffany Sierro, MD (Board-Certified Dermatologist)
Ice pick acne scars — the narrow, deep, V-shaped pits that extend from the skin surface into the lower dermis — are the most treatment-resistant acne scar subtype in the dermatology and plastic surgery office. Unlike rolling and boxcar scars that respond to fractional CO2 laser and subcision, ice pick scars are too deep to treat with laser or resurfacing alone. Their sharp, narrow walls do not allow ablative laser energy to reach the scar base, and their depth exceeds the zone of effective collagen remodeling that broad resurfacing treatments produce. For ice pick scars, the gold standard treatment is TCA CROSS — Trichloroacetic Acid Chemical Reconstruction Of Skin Scars — the technique that brings the acid directly to the scar floor rather than treating the surrounding skin surface.
At Kare Plastic Surgery & Skin Health Center at 804 7th Street in Santa Monica near Montana Avenue, TCA Cross is performed as part of a physician-directed, individualized acne scar protocol by dual board-certified plastic surgeon Dr. Raffy Karamanoukian, MD, FACS and board-certified dermatologist Dr. Tiffany Sierro, MD. The dual physician team at Kare provides the complete acne scar treatment spectrum — TCA Cross for ice pick scars, subcision for rolling scars, CO2 laser for surface texture and boxcar scars, and Vbeam for post-acne erythema — in a single coordinated protocol that no solo provider can offer.
80–100%TCA concentration — applied only within scar base
3–5Sessions for optimal ice pick scar elevation
GoldStandard — ice pick scars that fail laser
Dual MDPlastic surgeon + dermatologist team
Acne Scar Treatment Services at Kare Plastic Surgery Santa Monica
- TCA Cross 80–100% — ice pick and deep boxcar scars
- Phenol Cross — for recalcitrant deep ice pick scars
- Subcision — rolling and tethered atrophic scars
- Fractional CO2 laser — surface texture and shallow boxcar scars
- Vbeam 595nm — post-acne erythema and red scars
- Morpheus8 RF microneedling — diffuse atrophic scar field
- Dermal filler — individual boxcar and rolling scar correction
- Combination protocol — TCA Cross + CO2 (staged, not same day)
Kare Plastic Surgery · Santa Monica · Near Montana Avenue
Have acne scars that haven’t responded to laser? TCA Cross may be the answer.
Clinical Documentation — Dr. Raffy Karamanoukian · Kare Plastic Surgery, Santa Monica
TCA Cross in Action — Pre-Treatment & Active Frosting
Actual patient of Dr. Raffy Karamanoukian · Individual results may vary · Laser eye protection in use
① Pre-Treatment Ice pick & rolling scars — pre-TCA Cross
② Active Frosting TCA applied to scar bases — frosting confirms depth
Left: Pre-treatment — diffuse rolling and ice pick acne scars with post-inflammatory erythema, laser eye protection in place. Right: Active TCA Cross application — the characteristic white frosting visible across the treated scar field confirms that the high-concentration acid has reached the appropriate depth within each scar base, initiating the focal collagen remodeling response. Frosting is the clinical endpoint Dr. Karamanoukian monitors at each application point — the precision indicator that the treatment is working at the scar floor rather than on the surrounding skin. Kare Plastic Surgery, Santa Monica · Dr. Raffy Karamanoukian
The Science
How TCA Cross Works: Focal Collagen Reconstruction from the Scar Base
TCA CROSS works on the opposite principle from laser resurfacing. While fractional CO2 and erbium lasers treat the skin surface and stimulate broad dermal collagen remodeling from above, TCA Cross deposits a controlled chemical wound precisely at the base of each individual scar — stimulating collagen production at the deepest point of the scar where it is needed most. The high-concentration trichloroacetic acid (80–100%) is applied using a fine-tipped applicator (toothpick or fine needle) with the clinical goal of confining the acid to the scarred tissue only, without affecting the normal surrounding epidermis.
The white frosting visible in the clinical photograph above is the visual endpoint of active TCA penetration — the coagulative protein denaturation that confirms the acid has reached the appropriate depth within the scar base. Over the following 4–8 weeks, a controlled inflammatory response and progressive collagen synthesis fills the scar from the base upward, gradually elevating the scar floor toward the surrounding skin surface. Multiple sessions spaced 4–8 weeks apart produce additive improvements with each treatment cycle.
Which Acne Scars Respond Best to TCA Cross?
✓ Best TCA Response
Ice Pick Scars
Narrow, deep, V-shaped pits extending to the deep dermis. The gold standard TCA Cross indication — the only treatment that reliably reaches the scar base. Multiple sessions produce progressive elevation with each cycle.
✓ Good TCA Response
Narrow Boxcar Scars
U-shaped scars with well-defined vertical walls and flat bases. Narrow boxcar scars respond well to TCA Cross; shallow, wide boxcar scars are better addressed with CO2 fractional laser and subcision.
⚠ Limited TCA Response
Rolling Scars
Broad, undulating depressions without sharp edges. Caused by fibrous tethering of the scar base to the deep dermis. Rolling scars require subcision to release the tethering bands — TCA Cross alone is not effective for this scar type.
⚠ Laser More Effective
Shallow Boxcar Scars
Wide, shallow depressions with gradual edges. The broad surface area and shallow depth make fractional CO2 laser resurfacing the more appropriate primary treatment, with TCA Cross as a supplemental approach for residual depth.
TCA Cross + CO2 Laser: the staged combination protocol. For patients with both ice pick scars (TCA Cross indication) and surrounding rolling/boxcar scars (CO2 laser indication), the combination of TCA Cross followed by fractional CO2 laser at a separate session produces consistently better overall results than either treatment alone. Dr. Karamanoukian’s combination protocol stages these treatments correctly — the procedures are not performed on the same day — to allow healing between modalities and maximize the collagen response at each treatment site.
“TCA Cross is precise work. You are applying a highly concentrated acid to a pit that may be 1mm wide, and the goal is to touch only the scar base without the acid spreading to the healthy skin around it. That precision — practiced over thousands of patients — is what makes the difference between a treatment session that reliably elevates the scar and one that creates post-inflammatory pigmentation in the surrounding tissue.”
— Dr. Raffy Karamanoukian, MD, FACS · Kare Plastic Surgery, Santa Monica
Frequently Asked Questions
Where can I get TCA Cross acne scar treatment in Santa Monica?
Kare Plastic Surgery at 804 7th Street in Santa Monica near Montana Avenue offers TCA Cross ice pick and boxcar acne scar treatment by dual board-certified plastic surgeon Dr. Raffy Karamanoukian and board-certified dermatologist Dr. Tiffany Sierro — the only dual physician acne scar team near Montana Avenue. Call (310) 998-5533 for a consultation. We serve patients from Santa Monica, Beverly Hills, Brentwood, Pacific Palisades, Malibu, and all of Los Angeles.
How many TCA Cross sessions are needed for ice pick scars?
Most ice pick scar patients require 3–5 TCA Cross sessions spaced 4–8 weeks apart to achieve meaningful scar elevation. Each session produces a measurable but partial elevation of the scar floor as the collagen synthesis fills the scar from the base. The progressive improvement is evaluated at the beginning of each subsequent session to guide the next application depth and concentration. Some patients with very deep or narrow ice pick scars achieve excellent results at 3 sessions; others with more severe scarring may benefit from additional sessions or combination with fractional CO2 laser after the TCA Cross series.
Is TCA Cross safe for darker skin tones?
TCA Cross can be performed safely in darker skin tones (Fitzpatrick types IV–VI) when applied correctly — because the acid is confined to the scar base rather than spread across the skin surface. The risk of post-inflammatory hyperpigmentation is lower with TCA Cross than with broad resurfacing treatments in darker skin because the surrounding skin is not exposed to the acid. However, precise applicator technique is essential to avoid acid spread onto the perilesional skin. Dr. Sierro performs a formal Fitzpatrick skin type assessment at every acne scar consultation and adapts the TCA Cross concentration and technique accordingly.
Related Resources at Kare Plastic Surgery
Kare Plastic Surgery & Skin Health Center · Santa Monica · Near Montana Avenue
Schedule a TCA Cross Consultation
Schedule an acne scar consultation with Dr. Raffy Karamanoukian and Dr. Tiffany Sierro at Kare Plastic Surgery in Santa Monica — the only dual plastic surgeon and dermatologist acne scar team near Montana Avenue offering TCA Cross, CO2 laser, subcision, and Vbeam in a single coordinated protocol.