TCA Chemical Peel

Trichloroacetic acid (TCA) peels are medium-depth chemical peels used to improve skin texture, pigmentation, and signs of aging by removing the outer layers of damaged skin and stimulating collagen remodeling. Concentrations vary from light/moderate (10–25%) to medium (30–50%); higher concentrations produce deeper effects and require longer downtime. TCA peels are performed by licensed skincare professionals and can be tailored to treat:

• Fine lines and moderate wrinkles

• Photoaging and sun damage (solar lentigines)

• Uneven skin tone and mottled hyperpigmentation

• Acne scarring (shallow to moderate)

• Rough texture and enlarged pores

• Actinic keratoses (in some medical settings)

Procedure overview

• Consultation: Skin assessment, medical history review, discussion of expectations, and pre-peel preparation (may include topical retinoids, hydroquinone, or sunscreen use for 2–4 weeks prior, depending on provider).

• Preparation: Cleansing and degreasing of the skin; optional application of a pre-peel solution to promote even penetration.

• Application: TCA solution is applied in controlled passes. Patients may feel stinging or burning that quickly subsides. Provider monitors color changes (frosting) to gauge depth.

• Neutralization and post-application care: Some providers neutralize TCA; others allow it to self-neutralize. A calming ointment or barrier product is applied.

Expected results and timeline

• Immediate: Erythema (redness), mild swelling,