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Regular Contributor
Posts: 212
Registered: ‎09-19-2010

Question for Differin and Retin-A users ( those who use both)

I am just wondering how you use both. Do you alternate nights, use both together or do you use Differin in AM and RA at night.

I have been using Differin which has been working well to rid my blackheads but would like to incorporate RA for it's collagen building properties. TIA