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How should I prepare for a trichloroacetic acid (TCA) peel?

Arthur W. Perry, MD
Plastic Surgery
Trichloroacetic acid (TCA) peels are the "long weekend peels." TCA peels require extensive preparation. Patients must "reprogram their DNA" with at least two weeks of tretinoin in order to achieve an even peel. In addition to the tretinoin, two weeks of a pigment reducer (hydroquinone) is helpful. You won't actually see any lightening of the skin, but the drug turns off brown pigment production in the skin. Without it, the pigment-producing cells can go wild after the peel, leading to splotchiness.
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Straight Talk about Cosmetic Surgery (Yale University Press Health & Wellness)

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.