I have EXTREMELY oily skin (can almost feel it trickle down my skin), blackheads, whiteheads, moderate acne with about 3-4 new cystic bumbs a day, but after just about a week of using Lac-Hydrin lotion (@ 5%, they do ,make a 12% under a slightly diff. name but my dermatologist said it is not recommended for the face) as my twice daily moisturizer, followed by a light application of Retin-A micro at night and Clindacin lotion to active breakouts in the AM, I have watched my pores literally shrink to nearly invisible, have had NOT ONE new cystic bump, and only 4-5 new "tiny" bumps (but over already active areas) appear.
This stuff has been an absolute miracle for me. The worst part about acne is the literal pain of the pressure inside of the lesions and it is so great to finally not be in pain. An approximately 8 ounce or so bottle of this stuff was about $14.
This is long term adult acne, previously controlled (bcp) but extreme flare-ups after discontinued.