The TCA gives primarily an epidermal and superficial dermal peel, and Botox works at the level of the neuromucular junction, so even the same day is fine. i have done this hundreds of times.
Can I Have TCA Peel the Day After I Had Botox on the Forehead?
Doctor Answers (2)
TCA peel after Botox
While it is OK to have peels after Botox, to be conservative, I would suggest waiting 2 weeks (the time it takes for Botox to achieve its full effect). The inflammation associated with the TCA peel could, in theory, interfere with the activity of the Botox molecule.
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