Procedure Time
30 minutes
Results
Improvement in scarring
Downtime
7-10 days*
Time To Work
Weeks
Numbing
No numbing used
Back To Work
4-7 days*
What Is TCA CROSS?
TCA CROSS (Chemical Reconstruction of Skin Scars) is a specialised treatment for deep acne scars, especially ice-pick scars. It involves applying a high-strength solution of trichloroacetic acid (TCA) directly into each scar using a fine applicator. The acid triggers a controlled healing response in the skin, stimulating new collagen production. Over time, this helps the scar tissue to fill in and smooth out, making the scars less visible and improving overall skin texture.
Deep, Narrow Scars
TCA CROSS is especially effective for ice-pick scars and other deep, pitted acne scars that are difficult to treat with standard methods. By directly targeting the base of each scar, it encourages new collagen formation to naturally fill and lift the scar over time.
Targeted Treatment
Unlike chemical peels that are applied across the entire face, TCA CROSS is applied only inside the scars. This precision approach allows for powerful results on stubborn scars without affecting the surrounding healthy skin.
Gradual Improvement
Most patients see visible changes over a series of treatments, as collagen builds and the skin gradually smooths. With each session, scars become less noticeable, leading to a healthier, more even complexion and restored confidence.
What Scars Can TCA CROSS Treat?
Boxcar Scars
A boxcar scar is a type of acne scar characterised by broad, rectangular depressions with well-defined edges. These scars occur when severe acne damages the skin, leaving a pitted appearance commonly found on the cheeks and temples.
Ice Pick Scars
Ice pick scars are a type of acne scar characterised by their narrow, deep, and pitted appearance. They resemble small holes or indentations in the skin, often giving it a textured or uneven look.
Rolling Scars
Rolling scars are a type of acne scar witch are wide, shallow depressions that create a wave-like appearance on the skin. These scars occur when the skin heals unevenly after inflammatory acne.
Before And After
How Effective Is TCA CROSS?
TCA CROSS is considered one of the most effective treatments for deep, pitted acne scars — particularly ice-pick scars, which are often resistant to other treatments. Clinical studies show that patients can achieve 50–80% improvement in the depth and appearance of scars after multiple sessions.
Collagen Stimulation
The controlled micro-injury from the procedure stimulates collagen production inside the scars, a vital protein that aids in skin repair and revitalisation.
Improves Texture
Over time, the skin undergoes continuous improvement as the newly produced collagen gradually fills the treated areas, helping to restore volume and create a smoother, more refined appearance.
Precision Targeting
Unlike peels or resurfacing that treat the whole face, TCA CROSS is applied directly inside each scar. This focused approach allows for powerful results on stubborn, deep scars without affecting the surrounding healthy skin.
What to expect during your TCA CROSS Consultation?
Three simple steps to start your journey
Contact us
Make a no obligation enquiry on our website. You can attach photos for our doctors to asses so we recommend the best treatment options.
You can also WhatsApp us or call us directly on 0800 009 6109. We are here to help you every step of the way.
Your Consultation
Visit your Dr.Derme clinic and meet your specialist for a consultation. During the visit, we will:
Your Consultation
Start your acne scar treatment at Birmingham's leading skin clinic. Following the treatment, we provide will all the aftercare advice to get the best results. We are here for you with any follow-up queries:
FREQUENTLY ASKED QUESTIONS
Is TCA CROSS Suitable For All Skin Types?
TCA CROSS can be used on a wide range of skin types, but it must be performed by a trained practitioner to avoid side effects such as pigmentation changes. Darker skin types may need extra caution and tailored aftercare.
Key Considerations for Different Skin Types:
Lighter Skin Tones (Fitzpatrick I–III):
TCA CROSS typically produces excellent results with minimal risk of pigmentation issues. Healing is straightforward, with mild swelling and bruising subsiding in a few days.Darker Skin Tones (Fitzpatrick IV–VI):
While TCA CROSS is safe for darker skin tones, there is a slightly higher risk of post-inflammatory hyperpigmentation (PIH) or uneven pigmentation following the procedure. This risk can often be minimised with pre- and post-treatment care, including sun protection and the use of pigment-fading creams if necessary.Scar Type:
TCA CROSS is most effective for atrophic scars like ice pick or some boxcar scars, regardless of skin type. Other scar types may require combination treatments for optimal results.
What Is The Downtime After TCA CROSS?
Immediately after treatment, the treated scars turn frosty white. Within hours, they turn into small spots or scabs that last for about 5–7 days. These fall off naturally as the skin heals. Most people can return to normal activities quickly, but strict sun protection is essential during recovery.
During this time:
Redness and mild swelling may occur in the treated areas.
Small scabs will naturally form and should not be picked, as this can affect healing.
Most patients can continue normal daily activities, but it’s best to avoid events where you want completely clear skin for about a week.
Sun protection is critical — sunscreen helps prevent pigmentation changes while your skin is healing.
Overall, recovery is straightforward compared to more invasive treatments, and most people find the downtime very manageable.
How Many TCA CROSS Sessions Do I Need?
Most patients require 3–6 sessions, spaced a few weeks apart, for best results. The number of sessions depends on the type and severity of the scars, as well as individual skin response.
Can TCA CROSS Be Combined With Other Acne Scar Treatments?
Yes — TCA CROSS can be combined with treatments such as microneedling, subcision, PRP therapy, or fractional laser resurfacing. While TCA CROSS targets deep, pitted scars, combining it with other treatments helps improve overall skin texture, shallow scars, and pigmentation for more comprehensive results.