Created by a Physician Assistant and aesthetic expert. Mulberry silk with silver-ion technology.
Calmer skin, smoother hair, cooler nights. Silk that works while you sleep.
25 Momme Mulberry Silk
Silk Pillowcase
For Skin, Hair and Restorative Sleep
Mix colors freely.
Discount applied automatically at checkout.
SKIN SOOTHING: Reduces friction to calm sensitive or post-treatment skin, including skin prone to acne, rosacea or psoriasis.
HAIR PROTECTION: Prevents breakage, frizz and tangles for smoother, healthier hair.
COOLING + CALMING: Breathable silk regulates temperature and eases restlessness.
CLEAN SLEEP: Infused with silver ions to prevent blemish-causing bacteria, common allergens and mold.
LASTING QUALITY: Premium 25-momme, 6A grade OEKO-TEX® certified Mulberry silk, designed for safe, lasting durability wash after wash.
Why Silk for Skin + Hair
Cotton absorbs oils, moisture and skincare products while creating friction that causes sleep creases, breakage and frizz. ZILK resists absorption and reduces friction, so your skin stays clearer and your hair arrives at morning in better shape.
Why 25-Momme?
Momme measures silk's weight and density. Most silk pillowcases use 19-22 momme. ZILK Sleep uses 25, which means a tighter weave, smoother surface and a fabric that holds its performance wash after wash.
The Clean Sleep Surface
SILVADUR silver ions are infused throughout the silk, continuously resisting bacteria, mold and odor. Validated at 99.9% bacterial reduction, your pillowcase stays fresher between washes without any extra effort.
Naturally hypoallergenic and resistant to common allergens including dust mites, making it a strong choice for sensitive or allergy-prone skin.
Unlike cotton, silk's breathable weave regulates temperature throughout the night, reducing restlessness and supporting deeper, more restorative sleep.
Suitable for: All skin types
Treatment: Antibacterial silver-ion infusion
Fabric: 100% 25-momme 6A grade Mulberry silk
Closure: Hidden zipper
Fitting: When in doubt, size up. A little extra space won’t change the benefits.
Certification: Oeko-Tex® certified, responsibly made, non-toxic
Care: Machine Washable
Free Shipping
- Free standard shipping on U.S. orders $85+
- $6.95 flat-rate shipping on orders under $85
Order Processing
- Orders placed before 2:00 PM ET, Monday-Friday, ship same day
- Orders placed after 2:00 PM ET, ship the next business day
Shipping Origin + Delivery
- Ships from our U.S. fulfillment center in Alpharetta, Georgia
- Standard shipping FedEx Ground: 2-5 business days
- For delivery times to Alaska, Hawaii, or U.S. territories, please see our full shipping policy.
Returns:
We offer 60-day free returns for store credit. Refunds to the original payment method are also available, with return shipping costs deducted. Products must be returned unused, unwashed, and in original packaging.
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Product information
Ritual of Restoration
Sleep deeper. Wake Restored.
True beauty sleep isn't a metaphor. When your skin and hair aren't fighting friction all night, they hold onto moisture, stay calmer and show up better in the morning. ZILK Sleep's silver-infused mulberry silk creates the conditions for rest that actually restores you.
CLINICALLY CLEAN, NATURALLY FRESH
Silver Ion Technology
ZILK Sleep products are infused with SILVADUR, a patented silver-ion system that continuously resists bacteria, mold and odor while staying gentle on skin.
- 99.9% reduction in bacteria, validated by SILVADUR technology
- Keeps skin clearer and fabric fresher between washes
- Hypoallergenic and OEKO-TEX® certified safe for skin
ENGINEERED FOR ENDURANCE
25 MOMME SILK
ZILK Sleep uses only 6A grade mulberry silk, woven from the longest, most uniform fibers available. The result is exceptional softness, resistance to pilling and a surface that glides against skin and hair rather than catching on it.
THE HIGHEST GRADE MULBERRY SILK
6A Silk Quality
ZILK Sleep uses only 6A grade mulberry silk, woven from the longest, most uniform fibers available. The result is exceptional softness, resistance to pilling and a surface that glides against skin and hair rather than catching on it.
INDEPENDENTLY VERIFIED SAFETY
OEKO-TEX® Certified Clean Sleep
Every ZILK Sleep fiber meets OEKO-TEX® STANDARD 100, the leading independent certification for textile safety. Tested against more than 1,000 potentially harmful substances and verified safe for daily skin contact.
- Independently tested, not self-certified
- Safe for sensitive skin and hair
- Free from toxins, irritants and allergens
NeuroSilk™ Technology
The Science Behind the Feel
NeuroSilk™ is ZILK Sleep's proprietary silk technology, rooted in neurocosmetics: the science of how sensory experience affects skin, stress and sleep quality. The cooling, frictionless surface of mulberry silk sends calming signals to the nervous system, helping your body shift into genuine rest.
- Calming sensory cues support the transition into sleep
- Less friction means less physical stress on skin and hair overnight
- A fresher, cleaner surface reinforces the ritual of restoration
Frequently Asked Questions
How do I wash my silk pillowcase?
To preserve the natural softness and luster of your silk, hand wash in cold or lukewarm water with a pH-neutral detergent. If you prefer machine washing, place it in a mesh laundry bag and wash on the delicate cycle with like colors. Do not wring. Gently press out excess water with a towel, then hang or lay flat to dry. If needed, use a cool iron or steamer on the reverse side.
Is silk good for acne-prone skin?
Yes. Silk is naturally smooth and less absorbent than cotton, which helps reduce friction, irritation, and bacteria exposure that can contribute to breakouts.
What are silver ions and why are they used in ZILK pillowcases?
Silver ions are natural particles of silver that help resist bacteria, mold, and other microbes. When infused into ZILK silk, they create a cleaner, fresher sleep surface by preventing up to 99.7% of bacterial growth. This means your pillowcase stays hygienic longer between washes — supporting clearer skin and healthier rest.
How long will my pillowcase last?
With proper care, ZILK’s 25 momme silk maintains its smoothness and durability for years of nightly use.
What is a momme?
Momme (pronounced “mo-may”) is the unit used to measure silk’s weight and quality. A higher momme means a denser weave and more durable fabric. While many silk pillowcases are made with 19 or 22 momme silk, ZILK uses 25 momme — the thickest and smoothest available — so it holds its smoothness and performance wash after wash
WHY CHOOSE ZILK?
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