Slip (Hair Collection)

Black King Zippered Pillowcase

Black King Zippered Pillowcase - Main image
$102.9 $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 · 25 reviews)

Aurora S. ★★★★★

I’ve been waking up without the deep crease lines on my cheek that I used to get every single night, and my hair actually stays in place instead of looking like a bird’s nest. The silk feels cool and smooth against my skin, and the zipper keeps it snug so it doesn’t slide off mid-sleep. Honestly did

Ruby W. ★★★★★

The zipper closure is the real win here—no more pillowcase slipping off mid-night. After a week, I'm noticing fewer creases on my cheek in the morning, which is exactly what I hoped for. It feels smooth and cool against my skin, too.

Eva H. ★★★★★

I was skeptical about the anti-crease claim, but after a week, my morning pillow lines are definitely less pronounced. The zipper is smooth and doesn't dig into my neck at all.