As the title says, this is probably the best mask I've ever used - very close behind is the black charcoal mediheal mask (but those are like 2-3x the price..). The fact that these are so cheap... there a good amount of serum in there - it doesn't feel dried out (like some cheaper masks). I have a big face and these go on nicely still. Snail mucin - I love for acne/pimples and scarring. I feel this helps brighten and definitely calms down my skin. Love these so much. I had to buy them again ):