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The next-generation fabric that’s starting it all

Wrap yourself in Seeond's Collagentech™ comfort: bedding that nourishes your skin, hair, and dreams. Our secret? Milk fish and beech wood collagen for a silky-smooth sleep experience.

Skin & Hair Nirvana

Snuggle up in our super cool bedding featuring collagen-infused magic. It's not just comfy for a dreamy sleep – it's like a mini spa for your skin and hair! Let the collagen goodness work its charm, leaving you waking up fresh-faced and with hair salon vibes. Because beauty sleep just got an upgrade! ✨

Collagentech™ Marvel

Dive into ultimate comfort with our patented Collagentech™, a fusion of milk fish and beech wood collagen that transforms your sleep experience. It's not just a feature; it's a game-changer for luxurious nights of unparalleled comfort.

Sustainable Slumber

From sourcing materials to manufacturing, every step is crafted with a conscious effort to minimize our environmental footprint. Indulge in guilt-free, cozy sleep with bedding that's a blend of comfort and a pledge to a sustainable future. We make sure your dreams are as green as they are dreamy.

The Sleep Mask

Discover our Collagen Fabric Sleep Masks. Enhanced by CollagenTech™, they offer 13x more moisturization, superior antibacterial properties, and a 50+ (A) UV cut for ultimate skin care while you rest.

Made in Korea

Designed in Korea

Made in Korea ✨ Designed in Korea ✨

  • This pillowcase feels smoother than any other silk case I’ve tried, stays cool throughout the night, and protects my hair from snags. Honestly, I'm waking up feeling way more rested.

    Kathleen M., 36

  • Unlike my previous pillowcase that required constant adjustments and made me feel like I was slipping off all night, this one stays in place, offering a superior smooth surface.

    Helen L., 39

  • My hair's been way less tangled and dry. Feels super smooth on my skin and it has that high-end, luxe look to it.

    Sunny H., 45

  • As someone who puts serious effort into my skincare routine, stumbling upon Seeond has been a game changer. I have noticed fewer breakouts. I also love that my pillow stays cooler overnight.

    Andrea E., 36

 FAQs

  • The standard size of our pillowcase is 20 inches in width and 26.5 inches in height.

  • For optimal fabric preservation of the pillowcase over the long term, it is advised to hand wash it gently in cold or warm water (below 30°), or alternatively, consider dry-cleaning. However, if you choose to machine wash, it is acceptable to use a delicate wash cycle along with a washing net. Always check the care instructions for specific guidelines.

  • For best results, air-dry the pillowcase by laying it flat on a clean, dry surface. Avoid direct exposure to sunlight, and ensure proper ventilation to expedite the drying process. If you prefer drying with an iron, use a low heat setting to prevent any potential damage to the fabric. Always check the care instructions for specific guidelines.

  • Our comprehensive Shipping & Returns Policy is detailed in the document provided here. You can find information regarding shipping times, delivery methods, return eligibility, and the steps to initiate a return or exchange.

  • Item descriptionCollagen, by nature, offers amazing benefits. CollagenTechTM has demonstrated anti-bacterial, deodorization, skin-moisturizing, and UV light-cutting properties in laboratory tests conducted by Kaken, TTRI, and other institutions. While cotton, linen, and silk are all excellent natural materials, they do not possess these specific benefits. Moreover, where they do, CollagenTechTM has shown significantly better performance in anti-bacterial, deodorization, skin-moisturizing, and UV light-cut tests.

  • Yes, we sent them for testing to lab-testing institutions after washing them 100 times, and the functions still remained.

Still Got Questions?

We've addressed several common questions in the FAQs section. If you require further assistance, contact us, and we'll strive to get back to you promptly.