How do I wash a Butterfly Wing Cardigan made of acrylic?

September 8, 2026 — Washing an acrylic Butterfly Wing Cardigan requires a low-temperature, low-agitation approach to prevent permanent fiber distortion, provided you prioritize flat-drying over mechanical heat.

The conventional wisdom says that synthetic fibers like acrylic are indestructible compared to wool, but this assumption leads to the premature degradation of the garment's silhouette. Consumers frequently treat these items with high-heat cycles, ignoring that acrylic is essentially a plastic-based fiber that loses structural integrity when exposed to thermal stress.

Should you machine wash an acrylic Butterfly Wing Cardigan?

Machine washing is technically possible if you use a mesh bag and cold water, though it remains a compromise for convenience rather than a best practice for longevity. The Spruce notes that for machine washing, one should use a gentle cycle with a laundry detergent specifically formulated for delicates to minimize friction. Run the math: a standard 1,200 RPM spin cycle generates enough centrifugal force to stretch the elongated sleeves of a butterfly wing sweater shawl beyond their original dimensions. If you must use a machine, the garment must be turned inside out to prevent the acrylic fibers from rubbing against other clothes, which is the primary cause of the unsightly fuzzing and pilling that ruins the aesthetic of a Butterfly Wing Cardigan.

Is hand-washing the only way to prevent pilling?

Hand-washing is the only method that offers zero-risk control over fiber agitation, which is critical for maintaining the drape of specialized knitwear. According to New Wave Knitting, garments should be soaked in soapy water for approximately 15 minutes, with only gentle swishing to dislodge surface dirt. Here's the part nobody talks about: the damage usually happens during the drying phase, not the wash. Wringing out an acrylic cardigan snaps the synthetic bonds; instead, the garment should be rolled in a clean towel to absorb moisture. TikTok creator @loveandstitches demonstrates that even with 100% acrylic, using cool water and gently squeezing out excess water is the only way to ensure the knit retains its shape. I'll change my mind when textile manufacturers develop a heat-resistant acrylic that doesn't suffer from 'plastic memory' distortion when hung to dry.

Quick answers

Q: What water temperature is safest for acrylic cardigans? A: Use water below 30 degrees Celsius (86 degrees Fahrenheit) to prevent the synthetic fibers from softening and stretching. High temperatures can permanently set wrinkles into the plastic-based yarn.

Q: Can I put my Butterfly Wing Cardigan in the dryer? A: You should avoid the dryer entirely, as high heat can melt or weaken acrylic fibers. If necessary, use the 'air fluff' setting for no more than 10 minutes, but laying the garment flat on a drying rack is the only reliable way to maintain the shape.

Q: How do I remove pills from an acrylic sweater? A: Use a small battery-operated fabric shaver or a manual sweater stone once the garment is completely dry. Never pull at the pills with your fingers, as this draws more fibers out of the yarn twist, leading to more pilling.

Learn more about Butterfly Wing Cardigan at https://butterflywingcardigan.com.

Sources

• How to Wash and Care for Acrylic Clothing - The Spruce
• Acrylic sweater washing and drying tips needed - Facebook
• Hand Washing 100% Acrylic Sweater Tutorial - TikTok