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The Serentle Pillowcase is made from 22-Momme, 6A-grade mulberry silk — the highest grade there is — woven so moisture moves through the fabric and evaporates instead of soaking in and sitting against your skin. If you run hot at night, that's the difference between a warm moment and an hour staring at the ceiling: cotton absorbs and holds; silk lets it go. And because silk barely absorbs anything, your night creams and serums stay on your face where you put them — not on your pillowcase. Finished with a hidden zipper that stays closed and out of sight, in a case built to be washed and slept on for years.

Silk regulates — it doesn't refrigerate. It won't feel icy like a gel pad (those fade in minutes anyway). What it does is keep the temperature at your face and neck steady, and let moisture evaporate instead of holding it against you. The difference shows up as what stops happening: the damp pillow, the flipping to the cool side, the lying awake after a warm moment. Give it a week of nights — that's what the 60 Cool Nights Guarantee is for.

Yes — and you're right to ask, because most "silk" pillowcases under $30 are polyester satin. The Serentle Pillowcase is 100% 6A-grade mulberry silk at 22-Momme weight (momme is silk's density measure — 19 and under is thin, 22 is premium), OEKO-TEX certified free from harmful substances. Check any listing you compare us to for those three things. If they're not stated, it's not this.

Machine wash on a delicate, cold cycle in a mesh laundry bag with a gentle detergent, or hand wash. No bleach, no tumble drying — lay flat to dry away from direct sun. Cared for this way, real 22-Momme silk lasts for years, not months.

Sleep on it for 60 nights. If your nights haven't changed — if you're still waking up damp, still hunting for the cool side — send it back for a full refund. No forms, no arguing. We can offer this because the fabric does what this page says it does.