How to Wash Silk Pillowcases Safely at Home

One of the most common concerns among silk pillowcase owners is washing. Silk's reputation as a delicate fabric leads many to worry about ruining their investment with improper care. The good news is that with the right techniques, washing silk at home is straightforward and completely safe. This guide covers everything you need to know about maintaining your silk pillowcase's beauty and performance through proper washing.

How Often Should You Wash Your Silk Pillowcase?

Unlike cotton pillowcases that absorb oils and should be washed weekly, silk's natural properties allow for slightly less frequent washing. We recommend washing your silk pillowcase every seven to ten days under normal use. However, adjust this schedule based on your circumstances:

• Wash more frequently if you use heavy night creams, experience night sweats, or have oily skin
• Wash less frequently if you shower before bed, have dry skin, and use minimal skincare products at night
• Always wash immediately if you spill anything on the pillowcase or notice visible staining

Choosing the Right Detergent

Standard laundry detergents contain enzymes, brighteners, and alkaline compounds that can damage silk fibres. These chemicals break down the protein structure that gives silk its strength and lustre. Instead, opt for:

• pH-neutral silk detergent: Specially formulated for protein fibres like silk and wool
• Baby shampoo: A gentle alternative that effectively cleans without harsh chemicals
• Castile soap: Plant-based and gentle, though use sparingly

Avoid fabric softeners entirely—silk is naturally soft, and softeners leave residue that can dull the fabric's sheen and reduce its moisture-wicking properties.

Hand Washing Method (Recommended)

Hand washing remains the gentlest option for silk care. While it requires more effort, this method gives you complete control over the process and minimises stress on delicate fibres.

Step-by-Step Instructions

1. Fill a clean basin with cool or lukewarm water (never hot—keep it below 30°C/86°F)
2. Add detergent to the water before adding the pillowcase, mixing until dissolved
3. Submerge the pillowcase and gently swirl it through the water for two to three minutes
4. Let it soak for no more than five minutes—prolonged soaking can weaken fibres
5. Drain the basin and refill with fresh, cool water for rinsing
6. Rinse thoroughly until no soap remains—usually two to three rinse cycles
7. Remove excess water by gently pressing the pillowcase against the basin sides—never wring or twist
8. Lay flat on a clean towel, roll the towel to absorb moisture, then unroll
9. Reshape and dry flat away from direct sunlight and heat sources

Machine Washing Method

If hand washing isn't practical for your lifestyle, machine washing can work with proper precautions. Many modern silk pillowcases are designed to withstand gentle machine washing, though always check your specific product's care label first.

Step-by-Step Instructions

1. Use a mesh laundry bag—this protects the pillowcase from snagging, tangling, and excessive agitation
2. Select the delicate or silk cycle on your machine, which uses minimal agitation and spin
3. Set water temperature to cold (30°C/86°F or below)
4. Use silk-safe detergent in the recommended amount—less is more with silk
5. Wash alone or with similar items—avoid mixing with zippers, hooks, or rough fabrics
6. Remove immediately when the cycle finishes to prevent creasing
7. Follow the same drying process as hand washing—lay flat on a towel away from heat

Drying Your Silk Pillowcase

Proper drying is just as important as proper washing. Heat and direct sunlight are silk's enemies, causing yellowing, weakening, and loss of lustre.

Best Practices for Drying

• Never use a tumble dryer—the heat and tumbling action damage silk fibres
• Avoid direct sunlight—UV rays break down silk proteins and cause fading
• Don't hang to dry—water weight stretches wet silk, distorting its shape
• Lay flat on a clean, dry towel in a well-ventilated area
• Flip occasionally to ensure even drying on both sides
• Allow adequate time—silk typically takes 12-24 hours to air dry completely

Dealing with Stains

Prompt action gives you the best chance of removing stains without damage. Different stains require different approaches:

Oil-Based Stains (Moisturiser, Makeup)

Gently blot excess with a clean cloth. Apply a tiny amount of silk detergent directly to the stain and let sit for five minutes before washing as normal. Never rub—this spreads the stain and damages fibres.

Protein Stains (Blood, Sweat)

Rinse immediately with cold water. Soak in cool water with a splash of white vinegar for 15 minutes, then wash normally. Hot water sets protein stains permanently.

General Discolouration

If your silk has yellowed over time, a soak in cool water with a tablespoon of white vinegar can help restore brightness. For stubborn discolouration, professional dry cleaning may be necessary.

Ironing Silk Pillowcases

While silk naturally has a beautiful drape, some prefer a crisp, pressed look. If ironing is necessary:

• Iron while slightly damp—this prevents scorching and achieves better results
• Use the lowest heat setting—or the specific silk setting if your iron has one
• Iron on the reverse side—this protects the lustrous face of the fabric
• Use a pressing cloth—a clean cotton cloth between the iron and silk adds extra protection
• Never use steam directly—water spots may form on the silk surface

Storage Between Washes

How you store your silk pillowcase matters too. Between uses:

• Keep on your pillow and air briefly in the morning by folding back bedding
• Store clean pillowcases in a breathable cotton bag or acid-free tissue paper
• Avoid plastic containers or bags, which trap moisture and can cause mildew
• Keep away from direct sunlight, even when not in use

Common Washing Mistakes to Avoid

Even well-intentioned care can damage silk. Watch out for these common errors:

1. Using hot water—causes shrinkage and weakens fibres
2. Wringing to remove water—breaks delicate protein structure
3. Leaving in the sun to dry—causes yellowing and UV damage
4. Using regular detergent—harsh chemicals strip natural proteins
5. Soaking too long—weakens fibres and causes colour bleeding in some cases

By following these guidelines, your silk pillowcase will maintain its luxurious feel, beautiful lustre, and hair-and-skin-friendly properties through hundreds of washes. Quality silk, properly cared for, can last for years—making it a worthwhile investment in your sleep quality and beauty routine.

For more information on silk care, explore our guides on seasonal care adjustments and common silk pillowcase mistakes.