Silk pillowcase: why choose mulberry silk for your nights?

The search for "silk pillowcase" is growing year after year. Whether we're talking about a pillow cover or a pillowcase, the goal is the same: to improve nocturnal comfort and preserve skin and hair. But not all of them are created equal. Material, density, size, care: here's what you really need to look at before buying.

Pillow cover or silk pillowcase: what's the difference?

In common usage, "pillow cover" and "pillowcase" are often used interchangeably to refer to the textile that directly envelops the pillow and on which your face rests at night. Both terms refer to the same product: a removable and washable textile cover. What really matters is the quality of the fiber and the weave.

Why choose mulberry silk

Mulberry silk (Bombyx mori) represents the highest grade of natural silk. Here's why it stands out for nighttime use.

A smoother surface than cotton

The structure of silk creates a naturally smooth surface with a very low coefficient of friction. This property mechanically reduces the rubbing responsible for several inconveniences: frizz and tangles upon waking, breakage of hair (especially on fine or damaged hair), and persistent pillow marks on the face.

Better moisture retention

Unlike cotton, which is very absorbent, mulberry silk retains much less moisture. The concrete result: it allows your night creams and serums to act more effectively on the skin and hair, rather than being absorbed by the textile. This is one of the reasons why silk is often recommended for dehydrated or mature skin.

Natural thermal comfort

Mulberry silk has thermoregulatory properties: it provides a cool sensation in summer and retains warmth in winter. For people who sweat at night or suffer from hot flashes, this point is not insignificant.

What are the concrete benefits for hair?

For curly, frizzy, colored, or heat-damaged hair, a silk pillowcase can visibly improve daily appearance. The cuticle remains smooth in contact with silk: micro-scales lift less, limiting frizz. As a sleeper changes position many times a night, the slipperiness of silk also eliminates a repeated source of tension on the hair. Frequently reported consequences include less tangled hair, better defined curls, and easier morning styling.

A real plus for sensitive skin

The softness of silk is particularly appreciated by reactive, atopic skin or skin prone to irritation. Repeated friction against a rough textile causes micro-inflammations which result in redness or tightness upon waking: the smooth surface of silk minimizes these frictions. Sleep creases also fade faster, as the skin glides instead of compressing. Finally, natural OEKO-TEX® certified silk is hypoallergenic and free of irritating substances — a gentler alternative for eczema, rosacea or inflammatory acne.

How to choose the best silk pillowcase

1) Check the exact composition

Opt for a pillowcase that clearly states "100% mulberry silk". Be wary of vague formulations such as "silk touch" or "satin effect," which generally refer to polyester.

2) Look at the Momme density

Momme indicates the weight and density of the fabric. For daily use, a density between 22 and 25 Momme offers the best compromise between softness and durability.

3) Demand textile certification

OEKO-TEX® Standard 100 certification guarantees that the textile has been tested in an independent laboratory and contains no harmful substances — an important guarantee for a product in prolonged contact with the face.

4) Choose the right size

Measure your pillow before buying: a pillowcase that is too loose will create creases, while one that is too tight will put tension on the seams.

Care: instructions for use

Contrary to popular belief, caring for silk is still accessible:

• Machine wash on a delicate cycle at a maximum of 30°C, in a mesh bag, with a mild detergent free of enzymes or bleaching agents.
• Air dry flat or on a hanger, away from direct sunlight. Never tumble dry.
• Ironing is rarely necessary: if needed, use a warm iron on the "silk" setting on the reverse side when slightly damp, without direct steam.
• Wash the pillowcase every 1 to 2 weeks for optimal hygiene.

FAQ — silk pillowcase