ForumsThe RegimenThe RegimenAha Notifications Clear all Unless you have severe, widespread, and scarring acne, The Regimen is normally my suggestion for the most effective acne treatment.My suggested acne treatment Learn The Regimen → Learn The Regimen → Ahaviictoriii MemberMember0(@viictoriii) Posted : 11/09/2015 3:23 am can i add Aha with tiny amount to my regimen only at night in my 3rd week ?? Quote Natalielucy MemberMember19(@natalielucy) Posted : 11/09/2015 3:23 pm This site doesn't reccomend using it untill at least a month on the regimen and also when there is no active acne so personally I would wait Quoteoyinkan 98 MemberMember147(@oyinkan98) Posted : 11/09/2015 3:39 pm You can add at week 3 but from week 4 is preferable Using at week 3 will sting A LOT. Quote