How long does a chemical peel take to work for melasma?

Melasma is driven by pigment activity that can be influenced by sunlight, visible light, hormones, heat, and irritation. A peel removes or loosens some surface pigment and encourages renewed shedding, but it does not remove the triggers that keep pigment active. Peeling, redness, or temporary darkening can make the skin look different before the colour settles. Pigment closer to the surface may respond sooner than pigment deeper in the skin. A dermatologist can also check whether the patches fit melasma before choosing a peel.

Follow the aftercare plan exactly, including when to restart active skincare. Use broad-spectrum sunscreen and reduce direct sun and heat exposure; a hat and shade can help during outdoor time. Do not pick peeling skin, scrub the treated area, or add acids, retinoids, or lightening products unless your clinician approves them. Keep a simple record of colour and irritation in similar lighting so progress is judged after healing rather than day to day. Ask whether maintenance treatment or a non-peel option should accompany the procedure.

Contact the treating clinic if swelling, blistering, increasing pain, spreading redness, pus, or fever develops, or if the skin reaction is worsening instead of settling. Seek prompt advice if darkening is marked or continues after the expected healing period, because irritation can stimulate more pigment. Eye-area exposure, breathing symptoms, or facial swelling needs urgent medical attention.

Ask which peel depth is suitable for your melasma, when the first meaningful assessment should happen, and how many sessions may be considered. Clarify which products to pause, how to protect against visible light, and what plan will be used if the patches darken or return.