Slip (Hair Collection)

Black King Envelope Pillowcase

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

This product is also available with a zipper closure and in a queen size.

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

Customer Reviews (4.8 / 5 · 25 reviews)

Michael Y. ★★★★★

I was skeptical about the anti-crease claims, but after a week of sleeping on this, the lines on my cheek are genuinely less noticeable in the morning. The fabric feels cool and doesn't pull at my skin like my old cotton case. It's become a non-negotiable part of my night routine.

Hazel N. ★★★★★

The silk feels incredibly smooth against my face, and I love that it's cut to prevent those crease marks I used to wake up with. My hair also doesn't look like a bird's nest in the morning anymore, which is a huge win. This is the first pillowcase that actually makes me feel like I'm doing something

Andrew ★★★★★

I noticed a real difference in how my skin looks in the morning—those deep sleep creases are barely there anymore. The silk fabric feels incredibly smooth against my face, and it doesn't pull at my hair or skin at all.

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