During the daily laundry process at a laundry, color fading is one of the most common and troublesome issues in daily laundry operations for laundry shops. It dulls clothes’ original colors and easily stains other clothes. This causes irreversible cross-color damage.
Misunderstandings
Many people have misunderstandings about color fading, such as that white clothes never fade, or that careful hand washing of silk items is always fine. In fact, fabrics and color families have different fading characteristics. Fully understanding the fading patterns of clothes and using scientific care methods helps effectively prevent color loss, fix colors, and extend service life.
White Clothes
It is a common misconception that white clothes do not fade. Strictly speaking, white fabrics have no colored dye loss, but frequent washing or prolonged sun exposure causes fiber aging, yellowing, and graying. These are visually recognized as forms of color fading. All clothes’ colors change after washing. The degree of change is based on different color fastness.
- Solução
The key is preventing yellowing and graying. Neutral laundry detergent should be used, and strongly alkaline soap or washing powder should be avoided to avoid fiber damage and yellowing. Long-term accumulation of detergent gradually darkens the white clothes, so the rinsing should be thorough to remove detergent residue. During the drying stage, direct strong sunlight should be avoided. People should choose cool, ventilated areas for air drying. If sun drying is necessary, people should turn clothes inside out to reduce UV damage to fibers. Lightly yellowed white clothes can be soaked and cleaned with mild oxygen-based bleach. Chlorine bleach is strictly avoided from damaging fabrics.
Silk Fabric
Silk is a delicate material. Except for white and ultra-light shades, most colored silk clothes easily fade. Some silk items even discolor when exposed to sunlight for long periods without washing. Silk is made of protein fibers and has weak dye adhesion. Wrong washing and care easily cause color loss and luster damage.
- Solução
Anti-fading measures must be applied throughout silk garment care.
– use special silk and wool detergent or neutral cleaning products.
– select the silk program on Kingstar wet cleaning machines
– keep the water temperature below 30°C
– set the spinning speed to 15rpm
– place clothes in a laundry mesh bag
– add a small amount of white vinegar or professional laundry acid during rinsing to neutralize residual alkaline substances and lock in dyes
Complete rinsing avoids partial discoloration caused by detergent buildup. Silk should never be dried under direct sunlight. People should air-dry silk naturally in a shaded, ventilated space. Gentle shaking of dried silk items helps restore soft texture and reduce fiber damage and fading at the source.
High-Saturation Dark Colors
Bright red, purple, and reddish-brown are high-saturation dark colors. These clothes have a higher fading risk than other colors because high-concentration dyes adhere poorly to fibers and have low color fastness. Without proper protection during dry or wet cleaning, they will lose color and severely contaminate other clothes.
- Solução
Targeted washing methods are needed for such clothes.
– Dry cleaning
They should be dry-cleaned separately. The customer should inform the dry cleaners in advance to ensure professional cross-color prevention procedures.
– Washing with Kingstar industrial washing machines
People should follow the principles of separate washing, short cycles, and quick rinsing. The water temperature should be lower than 30°C, and neutral detergent should be used for gentle, fast cleaning. An appropriate amount of acetic acid or color fixative should be added during rinsing to improve dye adhesion. Storing clothes in dry conditions can prevent dye hydrolysis and fading. Professional laundries use specialized anti-fading products. Household care can use reliable color-catching laundry sheets and color-fixed detergent to lower fading risks.
Dark Wool Sweaters and Casual Trousers
They have severe color fading. The scale structure of wool fibers easily absorbs dyes but cannot lock them firmly, especially for dark styles. Most casual trousers have limited dark dye color fastness, so they easily fade.
- Solução
Color fixation and gentle care are all important.
– sort clothes by color before washing in Kingstar washing machines
– wash same-colored items together
– control water temperature within 30°C
– use wool-specific detergent
– soak clothes fully with white vinegar or color fixative during rinsing
– gently hand wash and softly press to remove stains and minimize machine washing
– turn clothes inside out to air-dry in shade and avoid direct sunlight and excessive friction
– reduce intense physical friction during wear
Conclusion
Color fading is generally preventable with targeted care: White clothes need an anti-yellowing method. Silk needs acid treatment and gentle cleaning. High-saturation dark items demand separate washing and color fixation. Dark wool and trousers need careful hand washing and color locking. Knowing these methods protects bright colors, avoids cross-color, and keeps clothes new for longer.
Q&A
Q1: How do laundries know whether clothes will fade?
A1: People can dip a cotton swab in perchloroethylene or warm water, and gently rub inconspicuous areas of the fabric to check for color transfer. Clothes with fading risks need careful handling during washing.
Q2: What precautions should be taken when drying clothes that easily have color fading?
A2: Low-temperature drying below 40°C is recommended. Over-drying should be avoided. People can use intelligent dryers like Kingstar with humidity control functions, or air-dry items in shaded, ventilated areas away from direct sunlight.
Q3: Is hand washing better than machine washing for preventing color fading?
A3: Not entirely. Color fading results from multiple factors, including fabric properties, dyeing techniques, improper chemicals, excessive water temperature, and violent mechanical force. Kingstar wet cleaning machines deliver stable, gentle mechanical action, which is hard to control manually. In some cases, professional machine washing provides better color protection than hand washing.
