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No. 03 · The Silk Pillowcase

Mulberry Silk Pillowcase

· 22 Momme · Italian-spun · Made in Covent Garden
$88 USD
★★★★★ 4.8 · 203 reviews

The one piece we make in actual silk. 22 momme, denser than what Slip, Lunya, or Brooklinen call silk at 19.

Color · Oat
Size · Standard
Standard · 50×75 cm
King · 50×90 cm
Quantity
1
22 mommeDenser than the luxury silk standard at 19
Italian-spunBombyx mori from Como, Lombardy
Envelope closureNo zipper to scratch face
OEKO-TEX® certifiedTested for harmful substances
The Object

For one product, satin doesn't hold up.

We make the mask in duchess satin. We tested satin for the pillowcase first. By month four it was visibly worn where the face oils sit each night. Hair drag held up, but the surface didn't.

So this is the one piece we make in actual silk. 22 momme mulberry silk, woven dense.

Momme is the unit silk gets weighed in. It says how heavy a 100-yard length of silk is per inch of width. The luxury silk standard hovers at 19. Slip is 19. Lunya is 19. Brooklinen is 19. The jump from 19 to 22 is the single biggest perceivable difference in how silk feels, denser, drape that hangs deeper, more weight against the cheek when you lay your head down.

We source from Setificio Mantellassi, a third-generation mill in Como, in Lombardy. Bombyx mori silkworms. No degumming shortcuts. Maria handles silk quality at the mill. We've worked with them since our second product run in April 2024.

Mei does the cut and the envelope-closure finishing in Covent Garden. The closure tucks under itself instead of using a zipper. Zippers scratch faces. We learned this the slow way.

What you give up: real silk needs more care. You can machine wash on cold delicate, but the safe bet is hand wash. Duchess satin would have been easier. This one isn't satin.

- Casa Hush

Specification

Material
22 momme mulberry silk · Bombyx mori · Italian-spun, OEKO-TEX® Standard 100
Weave
Charmeuse, single-side satin face
Sizes
Standard 50×75 cm · King 50×90 cm
Weight
80 g (Standard) · 95 g (King)
Closure
French envelope, no zipper · Pillow stays put through the night
Best for
Frizz-prone hair · Sensitive skin · Anyone with face oils that strip cotton dye
Care
Hand wash cold preferred · Or machine wash on delicate in a mesh bag · Lay flat to dry · Never tumble dry
Mill
Setificio Mantellassi, Como, Italy · Third-generation family mill
Finished by
Mei, in Covent Garden · Envelope closure cut and stitched by hand
Lead time
3–5 business days production, then shipping
What you're holding

Three numbers that matter.

Silk gets sold on adjectives. Smooth. Cooling. Skin-friendly. The adjectives are mostly true at any momme weight. What changes between 19 and 22 is what your face actually feels, and what survives twenty wash cycles.

22 momme silk has 15% more thread density per square inch than 19. It drapes heavier, takes dye more evenly, resists fraying at the seams. It costs more to produce because Bombyx mori spin slower at higher density. Most brands stay at 19 to keep margins clean. We took the margin hit on this one piece because the pillowcase is what holds up across years.

22
Momme weight

vs the 19 momme that most "luxury" silk pillowcases use. The density jump is what you feel the first night.

3
Generations

Setificio Mantellassi has spun silk in Como since the 1960s. Bombyx mori only, no shortcuts.

0
Zippers

French envelope closure. Tucks under itself. No metal teeth near your face at 3 AM.

Common questions.

Is this real silk or just satin?

Real silk. Mulberry, Bombyx mori, 22 momme, Italian-spun. The mask is duchess satin and we say so on its page. The pillowcase is silk and we say so here. More on what momme means →

Why 22 momme instead of 19?

15% denser thread count. Heavier drape. Holds up across more wash cycles. The jump from 19 to 22 is the single biggest perceivable difference in how silk feels. Most luxury brands stay at 19 to keep margins clean. We took the hit on this product because it's the one that sits against your face for hours every night.

How does it compare to Slip and Lunya?

Slip is 19 momme. Lunya is 19. Brooklinen is 19. Drowsy is 22 but uses a different weave grade and runs $90+. We use 22 momme charmeuse and price ours at $88 because we make it ourselves rather than ship from Asia. The closure is the other big difference, we use a French envelope, not a zipper.

Can I machine wash silk?

You can, on the delicate cycle in a mesh bag with mild detergent. Lay flat to dry. Hand wash is gentler if you have the time. Never tumble dry, heat breaks down silk protein. Full silk care guide →

Will it help with frizz and bedhead?

Yes, silk's lower friction coefficient means hair slides instead of catching. This is well-documented. We won't claim it'll fix every hair concern, but if you wake up with frizz from cotton, switching to silk is the easiest single change. Most customers see it the first week.

OEKO-TEX really means something?

It means the textile has been independently tested for harmful substances against the skin. Standard 100 covers chemical residues from dyeing, weaving, and finishing. Our silk and our dyes both pass. Not all "silk" pillowcases are certified.