This product was very easy to apply, the time to let it sink in is quick (I leave it on for about 7 or 8 minutes), and it made my skin feel fresh and clean immediately after use! After I applied it, I sat there occasionally feeling my cheeks (which probably isn't the best for acne treatment, but oh well) because I wasn't used to them feeling as smooth as they do. However, a side note: My eyes stung a bit after my second application, but it hasn't happened since. I assume I just got some in my eye, but be cautious. Effectiveness Leaves skin feeling smooth, and I noticed my face looks smoother as well. Ease of Application All the application is is making sure its rubbed in nicely, leaving it on for a few minutes to thoroughly clean your pores, and washing it away. Very easy! Side Effects As I stated before, my eyes felt stingy after the second use, but I think my own clumsiness was to blame. However, I would be cautious, especially if you've shown reactions to skin treatment products before.