虎嗅

"Still smells of sweat after eight washes? What on earth is wrong with these clothes?"

原文:洗了八遍还是汗臭味?衣服死了究竟是怎么回事

Summary of Key Points

This seemingly trivial news issue actually reflects various economic factors related to clothing materials, cleaning products, and consumer choices: clothes that continue to smell bad even after repeated washing are the result of defects in synthetic fiber materials, limitations of conventional washing methods, and mismatches between consumer needs. Behind this problem lie business opportunities and changes in industries such as textiles, detergents, and laundry services.

Detailed Analysis

1. The “Real Culprit” for Stinky Clothes: The “Little Secrets” of Synthetic Fibers

Many people are unaware that the material of the clothes is often the real cause of stench. Most garments on the market today, especially sports wear and fast-fashion items, are made from synthetic fibers like polyester and nylon. These materials are inexpensive, wrinkle-resistant, and durable, but they have a significant drawback: poor breathability, with very small gaps between the fibers. When you sweat, bacteria from your sweat can get into these tiny gaps, which cannot be removed by regular washing. Even if you wash the clothes eight times, the bacteria may only go into a “dormant” state; once you put them on, your body heat and moisture revive them, causing them to break down the proteins in your sweat and produce a foul smell. In contrast, natural fibers like cotton and linen have larger gaps between their fibers, which allow for better breathability, making it harder for bacteria to hide and easier to clean the clothes thoroughly.

This reflects the cost considerations of the clothing industry: synthetic fibers are 30% to 50% cheaper than natural fibers. Fast-fashion brands, in order to reduce costs and increase profits, prefer to use synthetic fibers, thereby passing on the problem of stinky clothes to consumers.

2. Why Do Detergents “Not Work”? Conventional Products Don’t Target the Right Issues

You might think that using more detergent will solve the problem, but conventional detergents are designed to remove stains, not kill bacteria. The surfactants in these detergents can only clean the surface of the clothes; bacteria hidden deep within the fibers are left unaffected. Moreover, most people wash clothes with cold water at room temperature, which is not hot enough (at least 60°C is required to kill bacteria), allowing the bacteria to survive.

This opens up opportunities for the detergent industry. There are now detergents on the market that have antibacterial properties or contain enzymes that can break down the proteins that bacteria feed on. These products cost about 20% more than regular detergents, but their sales are increasing year by year—as consumers are willing to pay more for clothes that don’t smell bad.

3. Can laundries Provide a Solution? The “Differentiation Opportunity” of Professional Services

If you can’t wash your clothes properly at home, should you take them to a laundry? In some cases, yes. Professional laundries have two advantages: they use high-temperature washing (e.g., industrial machines that operate at over 70°C), which can kill most bacteria, and they use special disinfectants (such as hydrogen peroxide) that can penetrate the fibers to eliminate bacteria. However, these services are more expensive than regular laundry (for example, a sports shirt might cost 15 yuan for regular washing but 30 yuan for antibacterial treatment).

This represents a new growth area for the laundry industry. In the past, laundries made money by ensuring clothes were clean; now they can offer differentiated services to address the issue of stench and attract consumers who are troubled by this problem.

4. Consumer Choices: Shifting from “Cheap” to “Functional”

This issue is also changing consumer shopping habits. People used to focus on price and style when buying clothes, but now more and more people check the fabric labels to see the ingredients. Natural fibers (cotton, linen, silk) are more expensive, but they are less likely to stink and are therefore a better value. For example, a fast-fashion brand launched a “natural fiber series” last year, which was 30% more expensive than its synthetic fiber counterparts, yet sales increased by 40%. Sports brands are also starting to offer “antibacterial” clothing, which, although more expensive, have seen a significant increase in customer repurchase rates. This shows that consumers are willing to pay a premium for products that solve real problems, forcing clothing brands to adjust their product offerings.

5. The Business Opportunities Behind It: The “Blue Ocean” of Deodorizing Products and New Fabrics

The problem of stinky clothes has given rise to new markets:

  • Deodorizing Products: Sprays that can remove odors without the need for washing have seen a 120% increase in online sales last year. There are also antibacterial balls for washing machines that can kill bacteria at room temperature and are affordable (around 20 yuan each).
  • New Fabrics: Companies are developing “antibacterial synthetic fibers,” such as those containing silver ions or using special processes to enlarge the gaps between fibers, improving breathability. These fabrics cost about 15% more than regular synthetic fibers, but downstream brands are willing to purchase them because they solve a real consumer problem and allow for higher prices.

Conclusion

This seemingly minor issue of stinky clothes is actually a reflection of evolving consumer demands and technological advancements in the industry. Consumers no longer simply want clothes that can be worn; they want clothes that make them comfortable. Companies need to shift from focusing on reducing costs to solving real problems to seize new market opportunities. Next time you buy clothes, take the time to read the labels—don’t let “cheapness” lead to unnecessary complications.