The Independent's journalism is supported by our readers. When you purchase through links on our site, we may earn commission.  Why trust us? Extras IndyBest Fashion & Beauty Hair Garnier’s diamond sleek is rivalling Color Wow’s dream coat – so I put it to the test Can the £10 spray beat its premium rival? The Garnier spray has gone viral after a beauty creator's video (Alice Reynolds/The Independent) 1 Garnier diamond sleek shine-coat smoothing spray Read review 2 Color Wow dream coat supernatural spray Read review Color Wow’s dreamcoat supernatural spray has long reigned supreme when it comes to anti-frizz sprays. Hailed as the ticket to sleek strands, one of the silver bottles reportedly sells every five seconds. It’s gone down well here at IndyBest too, with our review giving it five stars. So, when a rival product comes along, I’m all ears.…