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If your skin could talk, it would probably beg for this one viral comeback.

Let’s get one thing straight: COSRX Advanced Snail 96 Mucin Power Essence had its “main character” moment a year or two ago (TikTok was glazed, dermatologists were intrigued and suddenly everyone was smearing snail secretion on their face like it was La Mer).

And then, as trends do, it quieted down. But here’s the plot twist: it never stopped being that good.

Now, thanks to the Big Spring Sale (yes, the one turning carts into chaos), this glow-giving serum is floating around at up to 48% off, which feels borderline criminal considering how well it performs. Even now, it remains one of K-beauty’s most enduring icons — and for good reason.

I’ve personally gone down the COSRX rabbit hole; I’ve tried cleansers, toners, creams, masks, you name it. After testing nearly the entire lineup, I keep circling back to two standouts: this snail mucin essence and the brand’s peptide serum. 

During the Big Spring Sale, it’s worth the buy.

On the skin, this serum is silky and lightweight. It melts in fast, leaving behind that coveted “glass skin” sheen without any greasy aftermath. The formula is powered by 96% snail secretion filtrate, which helps hydrate, soothe and visibly improve texture, all without irritating sensitive skin.

And here’s where it earns its legacy status: it works for everyone, including those with skin that veers dry, oily or acne-prone. It simply repairs your skin barrier, smooths things out and gives you that well-rested look even when you absolutely were not.

At nearly half off, it’s the perfect time to restock or finally see what the fuss was about. Trust me, it’s worth it.

big spring sale beauty deals

TruSkin Vitamin C Serum

After reviewing TruSkin, we can say we’re obsessed with its brightening formula — ranked the best vitamin C serum we tested.

$48.99 $21.41

Buy Now

medicube Zero Pore Pads 2.0

We’ve tested practically all of medicube, and these pore pads are it. They’re the best price of the year right now, too.

$31.00 $18.90

Buy Now

Shark FlexStyle

The Shark FlexStyle that we reviewed is on an epic deal during the Big Spring Sale — and rivals Dyson.

$399.99 $199.99

Buy Now

Prime Day is Amazon’s biggest sale of the year, offering deep discounts on bestsellers and everyday essentials. This year’s event runs from Tuesday, June 23 at 3 a.m. ET through Saturday, June 27at 3 a.m. ET.

This year, shoppers can take advantage of four days of Prime Day deals: Tuesday, June 23 at 3 a.m. ET through Saturday, June 27at 3 a.m. ET.

In addition to pushing up the sale to June, Amazon is including several new programs and promotions, including:

Prime Day and all its amazing discounts are exclusively available to Prime members. However interested shoppers can grab a 30-day free trial to try Prime, and its many benefits with no strings attached, and gain access to exclusive deals and the convenience of fast, free shipping.

From reporting on Amazon sales for years, we can tell you for certain that Prime Day is the ideal time to stock up on beauty and skincare staples, score big-ticket tech for less, bestselling vacuums, and comb through the massive catalog of Amazon best-sellers. Plus, since this year’s sale runs before the Fourth of July Americana-themed deals and summer hosting essentials.

We certainly think so! Prime Day is a great chance to score deals on thousands of best-sellers, top tech and appliances and every day essentials. Our team diligently sorts through all the offers to find you only the very best items to grab on sale.

Already wondering when Amazon’s next Prime Day is? We expect Amazon’s October Prime Big Deal Days sale event to return in fall 2026. Follow Post Wanted’s around-the-clock coverage, and you’ll be the first to know about headline-worthy sales. Click here to find all of the best deals.

This article was written by Victoria McDonnell, 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 sheet masks on the market, and a rinse-and-repeat review of the best shampoos for all hair types and budgets. 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.