In patients with rosacea, retinoids can be aggravating if to much product is used and retinoid formulation is too harsh for your skin. If you have been using retinol for years with no problems, then you will likely be more tolerable of tretinoin/retin-A as your skin has already...
Decreasing the frequency of RetinA application to 2 to 3 times a week should still allow you to maintain the results you have achieved. If you feel that you are no longer getting the same results with decreased usage, you can always go back to using it daily. Make sure to always apply it...
Of course it is always best to consult with your physician with any questions or concerns you may have about a prescription. There is no harm in using retin-a on a daily basis if your skin is not red or irritated. If you feel like your skin is irritated you can use retin-a a few times a...