Kate Middleton's favourite lip balm is on major sale right now

Kate Middleton's favourite lip balm, the Clarins Natural Lip Perfector, is on sale right now - and we're on our way to purchase it ASAP.

If we know anything, it's that if Kate Middleton loves a product, the world will immediately hear about it and sell it out in a matter of hours. Whether it's a coveted fashion item, like the Princess' favourtie Le Chameau wellies, or a nail polish she's donned as her go-to, when Kate likes a product, it's bound to go viral - and the same can be said for her favourite lip balm from Clarins, which is on sale right now. 

The Clarins Natural Lip Perfector, which is a hybrid lip gloss and chapstick works for day-to-day use and even fancier occasions.

For example, Kate has been known to sport this product at Wimbledon in years past. How do we know this, you ask? - especially since the Princess' makeup routine is usually kept tightly under wraps, as the family enjoys their privacy. 

Well, it's simple - she was photographed holding it. 

As we know, lip gloss can be a bit of a fickle product - not enough sheen and shine, and the gloss won't do its job. But, if there's too much, you could risk that dreaded hair-sticking-to-your-lips situation that we all know and despise. This product, however, doesn't boast such issues, providing an incredible, subtle sheen that is non-sticky and works alone or with your favourite lip liner or lipstick.

And, the applicator is a great shape, ensuring an even swipe of the product every time. According to the Clarins website, the product's applicator is an "easy-to-use angled cushion applicator provides the perfect amount of color for an irresistibly pretty pout." Sounds convincing enough for us.

Clarins Natural Lip Perfector, WAS £21, NOW £15.72 | Clarins

Lips are left looking soft, smooth, shiny and plump. Sheer, but has enough colour to wear alone or to complement your favourite lip shade. Plus, Kate Middleton loves it - so how could you possibly resist?

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In the Wimbledon photo, Kate is holding the shade "rose shimmer" - a rosy pink shade that is universally flattering. But there are five other amazing shades that are perfect for every day use, including apricot shimmer, candy shimmer, rosewood shimmer, toffee pink shimmer, and plum shimmer - which, let's be honest, all sound good enough to eat.