I may or may not have an obsession with skincare. Give me all of the cleansers, lotions, potions, serums, moisturizers — you name it, I’m trying it.

So, when COSRX is hosting a big blowout sale on Amazon as part of the retailer’s Big Spring Sale, the Prime Day-inspired event, I need to give you the 411 about it. Or else, you’d really be missing out.

Not only have I reviewed the lion’s share of the brand but I’ve been following all things snail mucin, Korean skincare and TikTok-touting “glass skin” for years now. After putting the brand to the test, I can say with certainty that it’s not as expensive as some Sephora-sold skincare and even more effective than some of the hundreds of products I’ve put to the test.

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What’s more, the formulation is also an Amazon best-seller, climbing up the retailer’s ranks as one of the best beauty buys you can pick up. Let me repeat: for only $13, you’re picking up an amazing product.

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“Hyaluronic acid (H.A.) is a polysaccharide (sugar string) substance found naturally in human skin, eyes, and joints, which acts as a natural lubricant, volume support and moisturizer,” Jessica Krant, MD, MPH, a board-certified dermatologist at NYC’s Laser & Skin Surgery Center told the New York Post. “It’s the material that surrounds and supports collagen in our skin.”

For more options, check out our expert-backed guide to the best hyaluronic acid products.

There are quite literally thousands of items deeply discounted during the Amazon Big Spring Sale but, as a beauty lover, I strongly advise you to give COSRX a try if you haven’t already. It’s truly worth the hype and is now the price of two venti Starbucks drinks, not upwards of $100 as some other hyped-up skincare products can be.

Overall, snail mucin is worth it. You’ll understand the obsession once you give it a try.

Hunting for a headline-worthy haul? Keep shopping with Post Wanted.