How to Wash and Care for Cashmere Like a Pro

Why Cashmere Needs Special Care

Cashmere is one of the most luxurious natural fibers in menswear, prized for its incredible softness, lightweight warmth, and elegant drape. Unlike wool or cotton, cashmere fibers are exceptionally fine and delicate, which means they require careful handling during cleaning. Many men make the mistake of tossing cashmere sweaters into the washing machine with the rest of their laundry, only to pull out a shrunken, misshapen garment. Understanding why cashmere needs special care is the first step toward preserving your investment.

The structure of cashmere fibers makes them prone to felting, pilling, and distortion when exposed to excessive agitation, heat, or harsh detergents. Each cashmere fiber is covered in microscopic scales that can lock together permanently when subjected to improper washing conditions. This is why a cashmere sweater that has been machine-washed on a hot cycle often comes out several sizes smaller with a rough, matted surface. Treating cashmere with respect means adopting a gentler approach to cleaning.

Hand Washing Cashmere the Right Way

Hand washing is the safest and most effective method for cleaning cashmere garments. Fill a clean sink or basin with lukewarm water, never hot, and add a small amount of cashmere-specific detergent or a gentle wool wash. Avoid standard laundry detergents, which contain enzymes and optical brighteners that break down animal fibers. Submerge the garment fully and gently press the water through the fabric without rubbing, wringing, or twisting. Let it soak for ten to fifteen minutes maximum.

After soaking, drain the soapy water and refill the basin with fresh lukewarm water for rinsing. Repeat this process until all soap residue is gone, pressing gently to work the clean water through the fibers. Never lift a wet cashmere garment by the shoulders or hem, as the weight of the water can stretch it out of shape. Instead, support the sweater from underneath with both hands when transferring it from the water.

Drying Cashmere Without Damage

Drying cashmere correctly is just as important as washing it properly. Never wring or twist the fabric, as this breaks the delicate fibers and permanently distorts the weave. Instead, roll the damp garment in a clean, dry towel to absorb excess moisture. Lay the towel flat, place the sweater on top, roll it up gently, and press firmly along the roll.

Once most of the water has been removed, lay the cashmere flat on a drying rack or a clean towel, reshaping it to its original dimensions while it is still damp. Keep it away from direct sunlight, radiators, and other heat sources, as heat can cause shrinkage and discoloration. Never hang cashmere to dry, as gravity will stretch the fibers and create an uneven shape.

Removing Pills and Maintaining Appearance

Even with perfect washing technique, cashmere naturally develops small pills or bobbles on the surface with wear. This is not a sign of poor quality but rather a characteristic of short-staple fibers rubbing together. The key is to remove pills gently before they become matted. Use a cashmere comb or a fabric shaver designed specifically for delicate knits.

Comb the garment in one direction using light, even strokes. Focus on areas with the most friction, such as the underarms, cuffs, and where a seatbelt crosses the chest. Regular gentle combing every few wears keeps cashmere looking fresh and new. Additionally, rotating your cashmere pieces and giving them at least two days of rest between wears allows the fibers to recover their natural shape.

Proper Storage Between Seasons

Storing cashmere properly during warmer months is essential for preventing moth damage and maintaining the garment's structure. Always wash and completely dry cashmere before storing, as lingering body oils and sweat attract moths. Fold the sweater neatly rather than hanging it, as hangers create shoulder bumps and stretch the neckline over time.

Add natural moth repellents such as cedar blocks or lavender sachets to the storage area, but keep them away from direct contact with the cashmere to avoid staining. Avoid using mothballs, which contain harsh chemicals that can damage fibers and leave an unpleasant odor. With proper care and storage, a quality cashmere sweater can last for decades.