What should you know about TCA chemical peel?

TCA, or trichloroacetic acid, is applied to the skin at a clinician-selected strength and contact time. It causes a controlled injury that encourages shedding of treated surface cells. The depth depends on the formulation, application, skin condition, and treatment plan. A peel may be considered for uneven texture, some acne-related changes, sun spots, or photoaging. It is not automatically suitable for melasma or post-inflammatory hyperpigmentation, because inflammation can make pigment changes more noticeable in some skin tones. A consultation should include recent sun exposure, active irritation, cold sores, medicines, and a history of abnormal scarring.

Follow the clinician’s instructions about pausing irritating products and arrive with clean skin. After treatment, expect sensitivity, tightness, redness, or peeling as the skin recovers. Use only the recommended cleanser, moisturiser, and sun protection; do not pick or pull at peeling skin. Avoid heat, tanning, scrubs, waxing, and unapproved active ingredients until the treated area has settled. Tell the clinician if you have darker marks after inflammation, because the plan may need extra pigment precautions. A glycolic acid treatment is a different peel approach and should not be added during recovery unless advised.

Contact the treating clinic promptly for increasing pain, marked swelling, spreading redness, pus, fever, blisters, or a reaction involving the eyes. Seek urgent care for facial swelling with breathing difficulty. Do not apply household acids or attempt to neutralise a peel yourself. If new darkening or lightening persists after the surface heals, arrange a review before trying another treatment.

Ask what depth is planned, why it fits your concern, how long recovery may take, and which products to pause. Ask how your skin tone and history of pigmentation affect the plan, what symptoms are expected, and who to contact if healing does not follow the expected pattern.