Benefit's Oxygen Wow - or Benefit Hello Flawless Oxygen Wow to use its full name - has been on my to-try list for absolutely ages, as I've read nothing but good reviews. So when it popped through my door in a lovely little surprise package, I could not wait to get it out and give it a go! I think the thing that's always put me off purchasing it myself is the fact that I need extremely high coverage and tend not to deviate from that. However, I'm[...]