We're not all blessed with hair as lustrous as Kate Middleton but there could, at last, be a fast-track to Princess hair.
Women, beauty editors, nutritionists and dermatologists are singing the praises of a supplement that promises to help strong and healthy hair grow.
Nutrafol Women Advanced Thinning Hair & Hair Loss Supplement, £60, has 150 five-star reviews on Amazon and the backing of both real women and experts.
So what's all the fuss about? The supplement works by optimising your immune system, which, in turn, helps hair grow long and strong.
It's the supplement's unique blend of ingredients, such as immune-boosting ashwagandha, biocercumin, and palm oil extract, that make it stand out against other supplements on the shelf.
As nutritionist Sophie Griffiths explains to GLAMOUR UK: "The biochemical makeup of this product is what makes it stand out from a long-line of hair-thickening treatments that don't really do the trick.
"Ashwagandha (an adaptogenic herb popular in Ayurvedic medicine) in particular has extraordinary stress relieving properties, which support the natural health of the hair follicle allowing the hair to grow more effectively, giving a thicker and healthier appearance overall".
Watch out, K-Middy!
Scroll down for the celebrities with the glossiest hair...
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How can hair be this shiny? Sara Sampaio, tell us your secrets! The brunettes of Hollywood are really taking over this list, and we're loving their sleek 'dos.
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Kaia Gerber owned fashion week this year, but we're particularly obsessed with her gorgeous (super shiny) hair.
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Emily Ratajkowski is giving us the ultimate hair goals. Just look at her long glossy locks in this photo. Just how does she achieve that shine?!
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Lily Collins rocked retro curls with a super shiny finish and looked like the ultimate vintage starlet. Just look at those lashes, too!
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Blonde is a notoriously tricky hair hue to make glossy; but Suki Waterhouse proves it's possible with a rooty, wavy style. Finish with a heavy shine spray for an on-trend slightly wet-look vibe that will catch the light as you move.
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There's having a healthy shine to your hair, and then there's wearing actual liquid sunshine on top of your head. Olivia Palermo falls into the latter category.
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Alicia Vikander's hair is quite literally reflecting the light! Her ultra glossy locks give us the ultimate hair goals.
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The shiniest locks on centre-court; Kim Murray has been the object of our lock lust for several years thanks to her perfectly styled glossy bronde (blonde-meets-brunette) locks.
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The Duchess of Cambridge never has less than perfect blow-dried super-shiny curls, no matter what's on the agenda.
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Jessica Biel is the queen of ombre shine; her long perfect locks look best worn in glossy side-swept waves.
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Another girl proving blondes can shine just as brightly as brunettes; Behati Prinsloo's two-tone choppy tresses are kept glossy with plenty of locked-in moisture and just the right amount of texture.
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Wearing ice-blonde locks super-straight is a good way to up your shine-factor. Make like Margot Robbie and sweep your hair into a deep side-parting for the perfect finish.
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Jessica Alba's radiant side-swept Hollywood waves are never short of perfect.
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We're guessing Lily Aldridge keeps her ombre locks super-glossy with regular moisture treatments and a slick of hair oil before bed.
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We're forever envious of Jessica Chastain's shiny tangerine locks; from the fiery hue to the mirror shine, she's our redhead icon.
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Girls star Alison Williams works a dramatic beauty look with kohl-lined eyes and coiffed wet-look high-shine waves.
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Amal Clooney's voluminous glossy ebony locks are picture perfect.
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Never less than polished, Victoria Beckham's shiny brunette locks look gorgeous swept into a low up-do.
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You don't need long, voluminous locks to achieve a mirror shine; make like Alexa Chung and work cute wet-look plaits for a gorgeous glossy finish.
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Hair of dreams; Amber Le Bon's caramel ombre waves are so healthy they appear to radiate light. Do her tresses possess secret powers, we wonder?
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Karen Elson's blow-dried copper locks are red-carpet-ready.
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While Cara Delevingne prefers to keep her make-up understated and natural, she makes sure she retains her supermodel title with healthy, glossy golden waves.
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Joan Smalls' hair = everything we want in life. Almost.
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It's no surprise that queen of Hollywood Angelina Jolie has seriously shiny locks.
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This is one of our favourite hairstyles on Beyoncé; we love her super-glossy tousled ombre curls.
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Katie Holmes' fully-fringed bob is shiny enough to see your reflection in. If you're short of a mirror, that is...
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The gorgeous Mila Kunis' locks are always fully hydrated and healthy-looking.
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Rose Byrne's side-swept ombre crop is kept glossy and perfectly styled with a high-shine finishing spray. (An absolute essential for the red carpet.)
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Selena Gomez's raven locks are always the subject of our hair envy, whether worn down or swept into a chic Hollywood up-do.
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No wonder Vanessa Hudgens is smiling; we would be too if you had long, glossy chocolate locks like her.
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Queen of bangs (quite the title) Zooey Deschanel always looks like she's just stepped out the salon with her glossy, bouncy blow-dry.
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Lea Michele adds even more shine to her brunette tresses with subtle golden highlights through her tousled tips.
