Holly Willoughby is a fan of this cult mascara—and it's 20% off right now!

A cult-favorite mascara that is also adored by Holly Willoughby has just been added to Glossier's massive Black Friday sale, so you'd better act quickly if you hope to get your hands on this product!

Glossier's Lash Slick mascara is one of the best-priced high-quality mascaras currently on the market and is beloved by celebrities such as the nation's sweetheart, Holly Willoughby. 

Glossier Lash Stick is considered one of the best mascaras on the market today, so fans are delighted to hear that the product which is typically priced at £14 is now 20% off. Meaning that if you buy the mascara today you'll only pay £11.20!

was £14 now £11.20 at Glossier

Lash Slick in Black, Was £14, Now £11.20 | Glossier

This lengthening mascara is available at an incredibly affordable price at the moment, equivalent to a drugstore mascara. This product promises to be smudge-proof, water resistant, and will also condition your lashes.

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For those who are unfamiliar, this mascara is almost like the 'anti-mascara' in that it creates very natural-looking, glossy elongated hairs but doesn't ever cross into the false lash territory. Something the brand calls a 'baby extension' effect without the usual clumping and weightiness of some mascara formulas.

Its skinny, tiny-bristled brush and inky water-resistant formula are the secrets to its success. Add in tiny fibers to add volume plus film-forming polymers to lock them into place and prevent flakes from dropping onto your cheekbones, and it's not hard to see why this mascara is so adored by fans.

When Holly's makeup artist uploaded a picture of the Dancing On Ice presenter's finished look to Instagram, we felt completely validated for heaping praise on this product.

Patsy O'Neill revealed a pretty-in-pink look to follow the show's Valentine's Day theme. And although the rose lipstick and pretty flushed cheeks look stunning, your eye is immediately drawn to those incredible lashes. 

This 20% deal will only be around for the Black Friday weekend so if you want to snap it up then you'll need to act quickly. While making these incredible savings on the mascara you may as well have a look at what else Glossier has in store, as the brand has many amazing items and the 20% off discount is sitewide!