We're calling it: Rose Quartz is officially the coolest hair colour to come out of New York Fashion week, if not the whole year. Created by legendary colourist, Josh Wood backstage at Alexander Wang's Spring Summer 18 show, it's a dirty pastel take on pink, inspired by Kate Moss in the 90's, which settles somewhere in-between lilac and rose and makes for pure, unadulterated hair magic (yes we went there).

If you think we're being overly emphatic, just look.

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See? Game-changing. Something new owner of the debut Rose Quartz hair look, model Stella Lucia can vouch for, as the only one of the 34 models to undergo a true colour transformation prior to the show.

But, like all great colour, it's appeal lies in the detail. 'If you just apply colour atop bleach it looks flat,' explains Josh; 'The key to this shade is the base undertone of grey, a top coat of rosé and the final application of Redken City Beats semi-permanent dye to create multi-dimensional colour.' Sound longwinded? It's worth it. 'This layering technique is what makes the colour look more expensive than your standard pastel tone. It gives it more weight.'

Ok, we want in. But how easy is it to pull off? 'It's an extreme look but at the same time very wearable and can be tweaked to suit different skin tones,' adds Josh.

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Cool colour is nothing without great styling to back it up, which is where backstage mastermind Guido comes in. To create a natural, relaxed wave that looked as though he hasn't been there working his magic, Guido employed three things.

First, he gave hair a little grit with a little Redken's No Blow Dry balms (there are three to cover different hair types), before moving onto an old-school 80's technique of diffusing the hair with GHD's Air Hairdryer and scrunching up the hair in sections to add a little body.

Finally, and this is crucial if you haven't got a natural texture akin to Kate Moss (aka us), he added definition and movement with GHD's Classic Curl Tong. The key? Bend the hair in different directions for an undone finish.

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With statement colour and laidback hair styling, simplistic make-up wins. Backstage, Diane Kendal used the new Nars Orgasm After Glow Lip Balm and Loose Powder (out 2018) to bring a healthy flush to the skin that was more polished and groomed than glam. Skin is important here, so spend time prepping with skincare products and it will make your life (slash the make-up you apply on top) much easier.

@lovegrace_e for @alexanderwangny SS18 styled by #KarlTempler hair by @guidopalau makeup by #DianeKendal using @narsissist #WANGFEST #WANGSS18 #NYFW A post shared by Diane Kendal (@diane.kendal) on Sep 10, 2017 at 11:02am PDT

Diane told us she was celebrating individual beauty by enhancing the girls natural features; 'I even out the skintone then use new Nars Orgasm highlighter on lids and cheekbones, and the Orgasm lip balm on the lips. It's just really flattering, and suits every girl.'

Colour, styling, make-up, if there's one beauty takeaway from this season's Wang show, it's whatever you do, just make sure you own it.

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