Shop the viral COSRX Snail Mucin for only $12 this Prime Day

Amazon Prime Day always has its surprises, but this year, one of the biggest wins (in my book) isn’t a gadget or kitchen appliance — it’s this freaking amazing snail mucin that your skincare routine needs.

COSRX’s iconic Snail Mucin 96% Power Repairing Essence, which quietly slid into the deals list with a jaw-dropping discount that has beauty lovers buzzing. For something that already had a cult following, this nearly 50% off sale feels like a secret handshake for skincare insiders.

I’ve personally watched this product evolve from a K-beauty niche favorite to a TikTok-fueled essential. It’s been hyped for years, but the price drop to $12 on Amazon made me do a double-take. You don’t just get hype here; you get results, hydration and skin that feels a little less stressed and a lot more alive.

Prime Day officially kicked off on July 8 and runs through July 11, but who knows if the price will rise? As a full-time beauty product tester and commerce reporter, I recommend you snag it fast.

The formula itself is oddly elegant. Yes, snail secretion sounds like something out of a sci-fi lab, but once you try it, the glow is undeniable. It’s not greasy or sticky. Revolutionarily, it just sinks in and leaves my face feeling like it has finally drunk a gallon of water.

And, at this price? You could stock up for the year and still spend less than what a single Sephora serum might cost.

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Snail mucin is praised for its anti-inflammatory, healing and deeply hydrating properties. It’s especially kind to skin that’s been through it, whether that means acne, sunburn or too many overzealous exfoliants. Right now, it’s a total no-brainer.

The reviews on Amazon (we’re talking tens of thousands of them) read like little love letters. Oh, and that’s in addition to my full brand review of COSRX. With consistent use, I’ve noticed smaller pores, dewier skin, less redness and smoother skin texture. It even helps hyperpigmentation fade faster.

This Prime Day, COSRX’s lowest-price-ever deal is like a thank-you to all the fans (ahem, me as its head cheerleader) who’ve turned the essence into a skincare staple. Once you try it, you’re going to want it on hand at all times.

If you’re like me and keep a mental list of products you’ve been “meaning to try,” now is the moment. Snail mucin, to be honest with you, is a skincare workhorse disguised in an elegant, minimalist bottle —and right now, it’s cheaper than most drugstore moisturizers.

We don’t often get to marry quality and affordability in the beauty world, especially not with products that are both science-backed and glow-inducing. This kind of price drop feels like a personal win for anyone who just wants skincare that actually works, without the markup.

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Your Prime Day FAQs, answered

How long does Prime Day last?

In a new twist for 2025, shoppers have 4 days to take advantage of Prime Day discounts. This sale starts on July 8 at 12:01 a.m. PT and runs through July 11 at 11:59 p.m. PT.

When does Prime Day end?

Prime Day 2025 ends on July 11 at 11:59 p.m. PT, so east-coasters have until about 3 a.m. on July 12 their time to shop the deals.

Do you have to have Amazon Prime to shop Prime Day?

Prime Day is a member-exclusive sale event. Interested shoppers can grab a 30-day free trial to try Prime, and its many benefits, with no strings attached.

What are the best Prime Day deals?

From reporting on Amazon sales throughout the years, we can tell you for certain that it’s the ideal period to stock up on household essentials, score great deals on vacuums, tech and appliances, refill your skincare empties, and comb through the massive catalog of Amazon best-sellers.

Is Prime Day worth it?

We certainly think so! Prime Day is a great chance to score Black Friday-worthy discounts on thousands of deals, including everything from big ticket items to Post reader-favorite trash bags. Our team diligently sorts through all the offers to find you the very best items to grab on sale.

When is the next Prime Day?

Already wondering when the next Amazon Prime Day is? Prime Day takes place in July each year, so it’s safe to assume it will take place in mid-July 2026 — similar to previous years. Can’t wait to shop more Amazon deals? Look out for Amazon’s Prime Big Deal Days sale, which typically runs in October for shoppers looking to beat the holiday rush of Black Friday.

Don’t miss Post Wanted’s around-the-clock coverage. Click here to find all of the best deals.

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This article was written by Victoria Giardina, New York Post Commerce Journalist & Content Strategist, who has spent countless hours researching, testing hundreds of products and comparing the latest makeup, skincare, hair and beauty items and trends to determine what’s truly worth your hard-earned cash. She evaluates formulas, textures, ingredients and more, in addition to consulting medical and industry experts. Some of Victoria’s latest conquests include testing the best vitamin C serums on the market, and a rinse-and-repeat review of the best shampoos of 2025. Victoria, who received a beauty industry essentials certification from the Fashion Institute of Technology, has been creating shopping guides for the New York Post since 2021 and previously held positions at Insider Reviews and CNN Underscored.

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