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Recently Ive seen some people claiming that even though tretinoin can be used everyday, there is no additional benefit to using it more than once every 3 days. I understand that some peoples skin cant handle daily use, but these people are not just saying that you can still see results even if you dont use it daily. Theyre claiming that daily use is a pointless waste of product, no matter your skin type. Is there any truth to this? Where do you think they got this idea? Are there references?
I haven't heard this before but it's interesting. I don't have any references off the top of my head but now I'm curious. If you can google a bit and post any references you get that would be awesome.
You can also check pubmed.