What You Need for Silk Care: The Complete Kit (No Drama Required)

Lunelle Team



10 min read

Here is the thing about silk care that no one quite says out loud: it is not actually that complicated. Silk has a reputation for being impossibly high-maintenance, and it is true that it needs different treatment from cotton. But "different" does not mean "difficult." It means three things in the laundry room: the right detergent, cool water, and no tumble dryer.

The anxiety around washing silk is often disproportionate to the actual challenge. People have been known to treat a silk pillowcase like a rare manuscript, carrying it reverentially to a professional cleaner at significant expense, when a 30-minute gentle machine cycle at home would have done exactly the same job. This guide exists largely to prevent that.

This guide covers exactly what you need for silk care, why each item matters (the science is genuinely interesting), and how to use them to keep a silk pillowcase in excellent condition for years.

Quick Answer

For silk care you need: a pH-neutral, enzyme-free silk detergent; cool water; a mesh laundry bag (for machine washing); a clean white towel for blotting; and air drying in the shade. That is it. No special equipment, no professional cleaning, no elaborate ritual. The most important item is the detergent: standard laundry detergent contains enzymes that break down silk's protein structure over time.

Key takeaways

  • Silk is a protein fibre. Detergents containing enzymes (including most standard household detergents) degrade silk gradually over repeated washes.
  • A pH-neutral, enzyme-free silk detergent is the single most important item in your silk care kit.
  • A mesh laundry bag protects silk from mechanical abrasion during machine washing. It is not optional theatre; it genuinely helps.
  • Never tumble-dry silk. Heat is the most reliable way to permanently damage the fabric's structure and sheen.
Lunelle 22 momme mulberry silk pillowcase

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Lunelle silk pillowcases. 100% Grade 6A mulberry silk. Machine washable on delicate cycle.

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Why silk needs different treatment from cotton

Cotton and silk are very different materials at the fibre level. Cotton is plant-based; silk is a protein fibre produced by silkworms. That distinction matters enormously in the laundry context, because many of the active ingredients in standard laundry detergents are specifically designed to break down protein-based stains.

The key ingredient to know about is the protease. Proteases are enzymes added to most "biological" or "enzyme" laundry detergents to dissolve protein-based stains: grass, egg, blood, sweat. They are very effective at their job. Unfortunately, silk is also a protein. The American Cleaning Institute notes that protease enzymes in household detergents can break down protein fibres like silk and wool over repeated exposure. What this means in practice: using a standard "biological" detergent on silk every week does not cause immediate, obvious damage, but it gradually degrades the fibre structure, causing dullness, weakening and an eventual loss of the smooth, gliding quality that made you buy silk in the first place.

The same principle explains why silk needs cool water and gentle handling. Heat accelerates protein degradation. High spin speeds cause mechanical damage to a fibre that lacks cotton's robust, interlocked weave structure. And wringing or twisting wet silk causes the fibres to break in ways that cannot be undone.

Think of silk like expensive cashmere rather than a sturdy cotton T-shirt. It is not fragile, exactly, but it does have opinions about how it wants to be treated.

Expert Insight

The American Cleaning Institute explains that proteases in biological laundry detergents are specifically designed to break down proteins. Since silk is a protein fibre, repeated exposure to enzyme-containing detergents will degrade the silk structure over time, resulting in dullness, weakening and loss of the fabric's natural qualities. This is the scientific rationale for using a dedicated silk or delicate detergent rather than a standard household product. Source: American Cleaning Institute, Specialty Fabrics.

The essential silk care kit

Good news: the complete kit fits comfortably in a small bathroom cabinet. Here is what you actually need, ranked in order of importance.

1. A pH-neutral, enzyme-free silk detergent

This is the one non-negotiable item. Everything else can be improvised or omitted in a pinch. The detergent cannot.

What to look for: a liquid detergent (liquid dissolves more fully in cool water than powder), labelled as pH-neutral, suitable for delicates, wool or silk, and free from enzymes. Some are marketed specifically as silk detergents; others are labelled as "delicates" or "wool and silk." Check the back of the bottle: if it lists enzymes, proteases, lipases or amylases, avoid it for silk.

If you have sensitive or acne-prone skin, a fragrance-free and dye-free formula is an additional specification worth seeking. Cleveland Clinic notes that detergent residue can remain in fabric after washing, and that fragrance and dye residues can trigger reactions in sensitive skin. Since a silk pillowcase is in direct contact with your face for eight hours a night, this matters more than it would for, say, a scarf.

2. A mesh laundry bag

Not optional, not marketing theatre. A mesh laundry bag protects silk from friction against other items in the wash, prevents the fabric from snagging on zips or buttons, and reduces the mechanical abrasion that occurs during the spin cycle. Slip and Good Housekeeping both recommend using a delicates bag for machine washing. A standard mesh bag from any homeware shop is sufficient.

If you are wondering whether a mesh laundry bag is genuinely necessary or just a thing brands include in their "how to care for silk" guides to feel thorough: it is genuinely necessary. The bag is not decoration.

3. A clean white towel

For blotting moisture after washing, rather than wringing or twisting. The reason for white specifically: coloured or printed towels can transfer dye onto wet silk. Pressing the silk between two layers of a clean white towel removes most of the water without twisting the fibre.

4. A flat surface or padded hanger for drying

Silk should air-dry away from direct sunlight. A flat drying surface (a towel on a rack, or a clean flat area) is ideal for maintaining the shape of a pillowcase. A padded hanger can also work. Do not hang silk directly on a thin wire hanger: the weight of wet fabric on a narrow point can stretch or distort the weave permanently.

5. A cool iron (optional)

Silk can be ironed when needed. The rules: use the lowest heat setting, iron while the fabric is still slightly damp, and always iron on the reverse side. Direct high heat will leave shiny, permanent marks on silk. A pressing cloth between the iron and the fabric adds an extra layer of protection.

Item Essential? Why It Matters
pH-neutral, enzyme-free detergent Yes, non-negotiable Protease enzymes degrade silk's protein structure over time
Mesh laundry bag Yes, for machine washing Reduces friction and snagging during the spin cycle
Clean white towel Recommended Safe for blotting moisture without dye transfer
Flat drying surface Yes Prevents shape distortion; direct sunlight yellows silk
Cool iron Optional Can smooth wrinkles; requires care to avoid heat marks

Machine washing vs hand washing: which is right for silk?

Both are viable. The choice depends on what your washing machine can do and how confident you feel.

Machine washing silk

Machine washing is the more practical option for most people, and well-made silk pillowcases at 19 momme and above are typically robust enough to tolerate it with the right precautions. The non-negotiables: a mesh laundry bag, a silk-safe detergent, the delicate or hand-wash cycle, cold water (30°C maximum), and a gentle or reduced spin speed (400 to 600 rpm if your machine allows selection).

What to avoid in the machine: washing silk with heavy items like jeans, towels or anything with metal fasteners; selecting a cottons or synthetics cycle; using a standard detergent; or omitting the mesh bag. Any one of these increases the risk of snagging, friction damage or permanent texture change.

Hand washing silk

Hand washing is the gentler option and is appropriate for any silk item, regardless of momme weight or age. Fill a clean basin with cool water (not warm, not hot), add a small amount of silk detergent (less than you think: silk requires very little product, and using too much is one of the most common mistakes), submerge the item and gently agitate by hand for two to three minutes. Do not scrub, wring or twist. It is a pillowcase, not a dishcloth.

Rinse thoroughly in cool water until no soap residue remains, then press gently between a towel and air-dry.

Expert Insight

Good Housekeeping's laundry experts recommend machine washing silk pillowcases on a delicate cycle in a mesh bag with a silk-specific detergent. They also recommend washing silk pillowcases about once a week, consistent with general dermatology guidance on pillowcase hygiene. A spare pillowcase makes this practical: you always have a clean one ready while the other is in the wash. Source: Good Housekeeping, How to Wash Silk Pillowcases Safely.

If you are going to invest in silk, choose something worth caring for

The problem: not all silk is created equal. A low-grade silk pillowcase at under 16 momme will look beautiful in the packaging and deteriorate rapidly in the wash, regardless of how carefully you care for it. A poorly constructed sham with inadequate stitching will fray. A product using non-specified "natural silk" may be a lower-grade alternative that performs differently from Grade 6A mulberry silk at 22 momme. The care routine you build is only as good as the fabric it is protecting.

The solution: a silk pillowcase that is designed to be washed regularly, constructed to specification, and made from a grade of mulberry silk that will reward proper care with years of use rather than months.

The Lunelle Silk Pillowcase is made from 100% Grade 6A mulberry silk at 22 momme. At that weight, the fabric has enough density to withstand regular delicate-cycle washing without thinning or losing integrity, while remaining lightweight enough to feel genuinely comfortable overnight.

Why it works: the 22 momme charmeuse weave is the sweet spot for a pillowcase that will be in the washing machine every week. Dense enough to last, light enough to be pleasant. OEKO-TEX certification confirms the dyes and components are free from harmful chemicals, which also means no nasty surprises from detergent interaction. And if you want a spare for the rotation that Good Housekeeping recommends, it comes as a set of two.

Lunelle Silk Pillowcase (Set of 2)

Built for regular washing, made to last

  • 100% Grade 6A mulberry silk
  • 22 momme: the practical sweet spot for regular washing durability
  • Charmeuse weave for a smooth, low-friction surface
  • OEKO-TEX certified: free from harmful chemicals
  • Envelope closure
  • Machine washable on delicate cycle
  • 60-night guarantee
Shop the Pillowcase →

How to dry silk properly

Drying is where most silk care mistakes happen, and they are almost all related to heat and urgency.

  1. Do not wring or twist. After washing, gently press the silk against the side of the basin, or roll it inside a clean white towel and press to remove excess water. No twisting, ever. The wet fibre is at its most vulnerable.
  2. Lay flat or hang in shade. Brooklinen recommends laying silk flat to dry; Slip recommends natural air drying in the shade. Both are valid. Direct sunlight bleaches and yellows silk over time.
  3. Never tumble-dry. Heat is the primary enemy of silk. A dryer cycle even on low heat risks shrinkage, loss of sheen and permanent texture change. Air drying at room temperature is always the right answer.
  4. Allow adequate drying time. Silk takes longer to air-dry than cotton. A few hours is typically sufficient for a pillowcase, but this varies by humidity and airflow. Do not store or use silk while still damp, as this can encourage mildew.

Dealing with stains on silk

Act quickly. Stains are always easier to remove fresh than set. The golden rule for silk stains: blot, do not rub. Rubbing a stain into silk spreads it and works the material deeper into the fibre, making removal harder and risking visible damage to the surface.

Makeup and skincare stains

The most common culprits on a silk pillowcase. For fresh foundation or serum stains, blot the excess with a clean white cloth, then gently work a small amount of silk detergent directly into the stain using your fingertip. Leave for two to three minutes, then rinse in cool water. Do not use hot water on protein-based stains: it sets them.

Oil stains

Hair oil, face oil and similar products on silk require a slightly different approach. A small amount of cornflour applied to a fresh oil stain will absorb the excess before it spreads into the fibre. Leave for 15 to 20 minutes, brush gently away, then treat with silk detergent as above.

General marks

For general discolouration or mild marks, the full wash cycle with silk detergent is usually sufficient. Do not be tempted to use a stain remover spray not formulated for silk: many contain bleach, solvents or enzymes that will cause more damage than the original stain.

What not to use on silk

This list matters as much as the "what you need" list. In fact, the quickest way to ruin a perfectly good silk pillowcase is to read the laundry tips online, decide they seem excessive, and grab whatever is under the sink.

  • Biological detergent. Contains proteases and other enzymes that degrade silk's protein structure. The dullness and brittleness this causes is cumulative and irreversible.
  • Bleach or bleach-containing products. Destroys silk fibres rapidly. Even "colour-safe" bleach alternatives are too harsh for silk.
  • Fabric softener. Coats silk fibres with a waxy residue that reduces their natural breathability and alters the texture over time. Silk does not need fabric softener: its natural smoothness does not benefit from additional coating.
  • Stain removers not formulated for silk. Most stain removers contain enzymes, solvents or bleaching agents that are incompatible with silk.
  • Hot water. Causes shrinkage and protein degradation. Cool water only.
  • Tumble dryer. Heat, even on low settings, risks permanent damage. Air-dry only.
  • Direct sunlight for drying. UV light breaks down silk's natural colour over time, causing yellowing. Dry in shade or indoors.

Fabric softener on silk is the textile equivalent of moisturising already-moisturised skin and then wondering why it feels odd. Silk is already soft. It does not need help.

Expert Insight

Slip's silk care guidance advises against fabric softener, bleach, and washing at temperatures above 30°C. It also recommends turning silk items inside out before washing to protect the visible surface, and using a low or no-spin cycle. These precautions apply regardless of whether the item is hand-washed or machine-washed. Source: Slip, Care for Your Slipsilk.

How often to wash a silk pillowcase

Once a week. The same cadence as a standard cotton pillowcase, and the same reason your mother probably told you to change your sheets more often than you did. Sebum, sweat, dead skin cells and skincare product residue accumulate. For skin-health reasons and fabric longevity, weekly washing is the right frequency.

Good Housekeeping's laundry experts confirm this directly, stating that silk pillowcases should be washed about once a week. Cleveland Clinic's broader bedding hygiene guidance recommends changing sheets and pillowcases every one to two weeks.

Having two pillowcases in rotation makes this frictionless: while one is in the wash and drying, you use the other. This is why the Lunelle pillowcase comes as a set of two.

Expert Insight

The AAD advises that sleeping on silk or satin pillowcases may help preserve hairstyles and reduce friction, particularly for curly and coily hair types. For the benefit to be consistent, the pillowcase needs to be clean: product and sebum buildup on the fabric surface can redeposit onto hair, undermining the low-friction benefit that makes silk worth using in the first place. Source: AAD, 6 Curly Hair Tips from Dermatologists.

A note on sensitive skin and eczema

Silk is often recommended as a good choice for sensitive skin because it is smooth, breathable, and temperature-regulating. Sleep Foundation supports the claim that silk may feel more comfortable on skin compared to rougher fabrics, and may help retain overnight moisture. For mild skin sensitivity and dryness, this is a reasonable consideration.

For very reactive skin or eczema, the picture is more nuanced. Eczema UK notes that silk is soft and breathable but also acknowledges that it is less practical than cotton or bamboo for very sensitive skin: it is harder to wash at the temperatures sometimes needed, and skincare creams are more likely to mark the surface. The CLOTHES Trial, a large randomised controlled study published in PLOS Medicine, found that silk garments provided no statistically significant benefit over standard care for children with moderate-to-severe eczema.

For readers with eczema specifically, the honest guidance is to consult a dermatologist rather than making changes to bedding based on general advice. For readers with mild sensitivity, a silk pillowcase washed in fragrance-free detergent and dried thoroughly before use is a sensible, evidence-grounded choice.

The silk that rewards the care you put in

All of the care guidance in this article is based on the assumption that the silk you are caring for is worth caring for. A thin, low-grade silk will degrade within months regardless of how carefully you wash it. The fabric quality determines the ceiling of what good care can achieve.

The Lunelle Silk Pillowcase is made from 100% Grade 6A mulberry silk at 22 momme. It is machine washable on a delicate cycle, OEKO-TEX certified, and comes as a set of two so that your weekly wash rotation is immediately practical. With the right care kit and routine, it will stay in excellent condition for years rather than seasons.

  • Grade 6A mulberry silk: the highest commercial grade, uniform fibre, excellent sheen retention after repeated washing
  • 22 momme: dense enough for regular machine washing; lightweight enough for comfortable overnight use
  • Comes as a set of two: built for the weekly rotation that dermatologists recommend
  • 60-night guarantee: free returns if you do not notice the difference

Frequently asked questions

The most common questions about silk pillowcase care.

Can you use regular detergent on silk?

No. Standard biological detergents contain enzymes that degrade silk's protein structure over time.

Protease enzymes in regular laundry detergents are designed to dissolve protein-based stains. Silk is a protein fibre, which means repeated washing in standard detergent will gradually dull, weaken and degrade the fabric. Use a pH-neutral, enzyme-free detergent labelled for silk or delicates.

Do you need a mesh bag to wash silk?

Yes, for machine washing. It is one of the most effective ways to protect silk in the machine.

A mesh laundry bag prevents silk from snagging on other items, reduces friction during the spin cycle, and limits the mechanical stress that causes gradual surface damage. For hand washing, a bag is not necessary.

Can you machine wash a silk pillowcase?

Yes, on a delicate or hand-wash cycle with cool water, a mesh laundry bag, and silk-safe detergent.

Well-made silk at 19 momme and above is robust enough for regular machine washing with the right precautions. Use the delicate or hand-wash setting, cool water (30°C maximum), a low spin speed, and a silk-appropriate detergent. Good Housekeeping confirms this approach is safe and practical for regular use.

How often should you wash a silk pillowcase?

Once a week, the same cadence as a cotton pillowcase.

Good Housekeeping's laundry experts recommend weekly washing for silk pillowcases. This is consistent with dermatology guidance on pillowcase hygiene for skin health. Having two pillowcases in rotation makes weekly washing practical.

Can you use fabric softener on silk?

No. Fabric softener coats silk fibres with a residue that reduces breathability and alters texture over time.

Silk does not need fabric softener. Its natural smoothness comes from the fibre structure, not from any additive. Using fabric softener on silk risks leaving a dull, waxy coating that diminishes the fabric's qualities rather than enhancing them.

Can you bleach silk?

No. Bleach destroys silk fibres rapidly and permanently.

Even colour-safe or oxygen-based bleach alternatives are too harsh for silk. For yellowing or staining on white silk, a specialised silk care product is the safer option. Prevention (avoiding direct sunlight during drying, prompt stain treatment) is more effective than attempting to bleach back to white.

Can you dry silk in a tumble dryer?

No. Heat permanently damages silk's structure and sheen. Air-dry only.

Even a low-heat tumble dry setting risks shrinkage, texture change and permanent loss of the fabric's smooth surface quality. Silk dries relatively quickly at room temperature: a pillowcase typically air-dries in two to three hours with adequate ventilation.

Can you iron silk?

Yes, with care. Cool iron, reverse side, slightly damp fabric.

Use the lowest heat setting on the iron, iron while the silk is still slightly damp, and work on the reverse (back) side of the fabric. Ironing on the front face at too high a temperature leaves permanent shiny marks. A pressing cloth between iron and fabric provides additional protection.

What is the best detergent for silk pillowcases?

A pH-neutral, enzyme-free liquid detergent formulated for silk or delicates.

Look for "delicates," "wool and silk," or "silk-specific" on the label. Check the ingredients list for enzymes (proteases, lipases, amylases): if they appear, the product is not appropriate for silk. For sensitive skin, choose fragrance-free and dye-free as additional specifications.

How do you remove a makeup stain from a silk pillowcase?

Act quickly, blot (do not rub), apply a small amount of silk detergent directly, leave briefly, then rinse in cool water.

Never rub a stain into silk: this spreads it and works it deeper into the fibre. For oil-based stains (face oil, foundation), blotting a small amount of cornflour over the fresh stain first will absorb excess oil before it spreads. Once absorbed, brush gently away and proceed with the detergent treatment.

How long does a silk pillowcase last with proper care?

Several years with consistent correct care. Grade 6A mulberry silk at 22 momme and above is significantly more durable than lower-grade alternatives.

The main factors that shorten silk's lifespan are: wrong detergent (enzyme damage is cumulative), heat during drying (structural change), direct sunlight (UV yellowing and fibre degradation) and mechanical abrasion (low-spin washing without a mesh bag). Avoiding these consistently is the single most effective thing you can do for silk longevity.

Sources and References

  1. American Cleaning Institute. Specialty Fabrics: Caring for Silk and Wool. aboutcleaningproducts.com.
  2. Good Housekeeping. How to Wash Silk Pillowcases Safely So They Aren't Damaged. goodhousekeeping.com.
  3. Slip. Care for Your Slipsilk. slip.com.
  4. Brooklinen. Silk care guidance. brooklinen.com.
  5. Cleveland Clinic. How to Tell if You're Allergic to Laundry Detergent. health.clevelandclinic.org.
  6. American Academy of Dermatology. 6 Curly Hair Tips from Dermatologists. aad.org.
  7. Sleep Foundation. Benefits of a Silk Pillowcase. sleepfoundation.org.
  8. Eczema UK. Clothing and Eczema: Fabric Guide. eczema.org.uk.
  9. PLOS Medicine. Silk Garments Plus Standard Care Compared With Standard Care for Treating Eczema in Children: CLOTHES Trial. journals.plos.org.

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