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Retin-A

[ret-n-ey]
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Pharmacology, Trademark.
  1. a brand of tretinoin, used especially to reduce wrinkles caused by overexposure to the sun.
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Origin of Retin-A

First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018