OH. MY. GOSH, this stuff is amazing. makes pores SO much smaller after one use (NO JOKE, it was so noticeable), clears skin quickly, amazing mask and spot treatment. i've been using retin-a for about two or three months and this stuff is doing more. it's creamy and thick, although it smells slightly of sulfur, it is perfumed to mask it. the packaging is a dud (the push-out thing? no thANKS) BUT IT's no problem since the container screws open. i use a q-tip and apply it to problem areas after moisturizer at night, and go to bed just like that, with no other skincare (besides castor oil on lashes and brows). i wake up with more clear skin than before. i've only been using it for about a week now but i'm in LOVE!! it's available at sephora for $15 for a little travel size (? it seems full sized to me, it's really big and will last a while, it's half an ounce but you barely need any for one night) but the full size is $42 for 1.7 oz so i think it's definitely worth it! 14 y.o, hormonal TERRIBLE acne since i was 10.