ForumsThe RegimenAcne.org productsDan's Aha Lotio... 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 → Dan's Aha Lotion Leading Force MemberMember42(@leadingforce) Posted : 02/01/2014 6:25 pm so is it really ph of 4.0 ? because i dont feel anything when i apply it on unlike this other glycolic acid 10% lotion when i use it Quote