Slip® - Anti Aging. Anti Sleep Crease. Anti Bed Head.™

Black King Zippered Pillowcase

Black King Zippered Pillowcase - Main image
$73.5 $147 In stock

Category: Pillowcases

DERMATOLOGIST RECOMMENDED.*

ANTI AGING. ANTI SLEEP CREASE. ANTI BED HEAD.™ 

OVER 95% OF USERS AGREED SLEEP CREASES, SLEEP LINES AND SLEEP WRINKLES WERE FEWER AND LESS NOTICEABLE.†

Slipsilk.™ Laboratory Tested. Hypoallergenic.

The beauty secret of celebrity hairstylists, dermatologists and beauty experts.™

Includes 1 x Black King / International Standard Pillowcase (20” x 36” | 51cm x 91cm) with invisible zipper closure | Machine washable | See care instructions for details. 

This product is also available in a queen size.

Learn more about our studies and testing under "Test and Study Details".


Customer Reviews (4.8 / 5 · 15 reviews)

Mia ★★★★★

The zipper is a game-changer—no more wrestling my pillowcase off at midnight. After two weeks, I genuinely notice fewer sleep lines on my cheek in the morning, and my hair doesn’t look like a bird’s nest anymore either.

Ella W. ★★★★★

My skin's been looking less creased in the morning, and the silk feels genuinely cool against my face all night. The zipper keeps everything snug, though I do wish the closure were a bit more invisible when I'm lying on it.

Ava G. ★★★★★

I’ve been using this pillowcase for about three weeks now, and the silk is so smooth that my face doesn’t stick to it at all overnight. My sleep creases are definitely fainter when I wake up, which is the main reason I bought it. Only wish it came in a few more colors, but the black hides stains wel