Rosie Huntington-Whiteley says this $17 zit-fighting product is a 'legend' — and shoppers agree

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Effective skincare products are few and far between, so when certain items — especially those with affordable price tags — get the stamp of approval from both celebrities and everyday users alike, chances are they're the real deal.

Such is the case for Rosie Huntington-Whiteley's go-to pick and the cult favorite Mario Badescu Drying Lotion, which is available at both Sephora and Amazon for just $17.

Shop: Mario Badescu Drying Lotion, $17

In an interview with Vogue, the model gave the product an incredibly tall billing, claiming "it's truly earned its status as a legend."

So what exactly makes this product "legendary?" Formulated with salicylic acid, sulfur and zinc oxide as its main three ingredients, this tiny-yet-powerful spot treatment claims to work to draw out oil and impurities from the skin and target pimples while you sleep. It is also formulated with calamine, which, according to the product description, "provides a cooling, soothing effect and lends Drying Lotion its iconic pink shade."

In addition to being power-packed with zit-fighting ingredients, this small product is super easy to use. Just dip a cotton swab into the pink sediment that's settled as the bottom of the glass bottle, dab it directly onto the surface of the pimple or blemish and that's it! No rubbing, no patting — just dab and let it dry overnight. It should be noted, however, that this should not be applied onto broken skin or near the eye or lip area.

While this has Rosie Huntington-Whitey's stamp of approval, how do everyday shoppers feel about the Mario Badescu Drying Lotion? Boasting more than 2,000 five-star ratings on Amazon, reviewers can't stop raving about its effects, with one shopper even crowning it the "best acne product I have ever tried," while another confirmed that it "dries up my blemishes overnight."

One reviewer even appropriately renamed the liquid "bottled wizard tears to kiss away your spots," and, based on the overall consensus, it appears as truer words have never been spoken.

The brand has been around for more than five decades and remains one of the best-selling and most trusted names in skincare, so it appears that they're doing something right.