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A member asked:

Is it right that lamp light may decrease the effects of tretinoin ?

A doctor has provided 1 answer
Dr. Brock Andersen answered

Specializes in Dermatology

Light and tretinoin: There was previously a suggestion that uv light (sunlight) inactivated tretinoin, but that has not been substantiated. No suggestion that other light, like lamp light inactivates tretinoin.

Dr Fowler agreed

Answered 1/14/2014

4.7k views

Thank

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