I can’t write about the efficacy of this product cause it arrived two minutes ago, and I know it takes three months, at least, to see results. However, given that I was about to spend $400 on a mask, and I decided to test this $16 one, I’m very happy with how it came very securely wrapped on bubble plastic (no sarcasm). And it covers my whole face, which is pretty wide, so I’m very happy with it. The only downside is the strap. It is not elastic and it doesn’t cover my head, so I’ll have to twea...