Is Using Expired Differin That Has Been Expired for About a Month Just As Effecti

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Is using expired differin that has been expired for about a month just as effective as a tube that is not expired?
asked Aug 11, 2009 by anonymous

1 Answer

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My derm told me that yes, it's still effective for up to a year after the expiration date, it just slowly loses its potency (effectiveness).
answered Jul 25, 2010 by anonymous

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