Trichloracetic Acid (TCA) Chemical Reconstitution Of Skin Scars (CROSS) is a medical treatment where a high strength of TCA (a chemical peel substance) is applied to individual scars.
This leads to a chemical reaction producing a medium to deep deptg chemical peel exactly in the scar, so the tissues beneath produce more collagen. This in turn fills the scar with new tissue and the scar eventually tightening and shrinking.
TCA Cross is an effective treatment treatment for deeper types of acne scars such as:
The benefit of TCA cross, is that unlike other treatments it encourages healing from deep down in the scar upwards.
A TCA peel is a superficial chemical peel that makes use of very low concentration of TCA (usually 10-15%) to help exfoliate the very top layers of the skin. They are great for general skin rejuvenation and to give you that extra glow.
TCA CROSS a form of TCA peel that involves using very strong concentrations of TCA – from 70 to 90%, allowing the peel to penetrate deeper parts of the skin, under the guidance of a medical professional.
The skin is cleansed and the scars are marked out for treatment.
The doctor will then apply the 90% TCA Cross to the base of the scar with a wooden stick or needle.
The scar will turn white in 10 to 15 seconds.
You will feel a slight pressure during the treatment and a tingling or warmth straight after.
The procedure is not painful.
The procedure takes between 10 to 15 minutes.
Generally we advise there is downtime in the area of around 5 to 7 days.
The sequence of healing after TCA cross is:
This will be discussed at your appointment. We advise avoid picking at the scabs and using appropriate sun protection (SPF 50)
This varies from patient to patient, but usually 3 to 6 treatments (4-6 weeks apart) provide the best result.
Risks and side effects are rare but can include:
Provided all the appropriate precautions are taken in regard to the sun exposure and after care, the treatment is safe in darker skin types up to Fitzpatrick skin type 5.
Yes, in fact it can be combined very successfully as the treatments can complement eachother, such us with microneedling or subcision. Combining treatments help to tighten and remodel the skin.
From £300 per session