Many people find that synthetic clothes start to smell faster and stronger than cotton clothes, even after washing. This is not imagination. The difference depends on how the materials are constructed and how they handle moisture, heat and bacteria.
The difference between synthetic and natural fibers
Cotton is a natural fiber that absorbs moisture and allows air to pass through. This allows sweat to spread throughout the fabric and dry faster.
Synthetic materials like polyester and elastane work differently. They are made to be durable and quick-drying, but they don't absorb moisture in the same way.
Synthetic fibers bind grease and bacteria
Synthetic fibers are often more fat-loving than cotton. This means that:
• Body fat and sweat stick to the fibers more easily
• Bacteria gain a better grip
• Odor can build up even if the garment looks clean
When the garment gets warm, the odorants are released more clearly.
Quick-drying but not odorless
Many synthetic garments are marketed as quick-drying, which is true. But quick drying does not mean the garment will be completely clean.
If grease and bacteria are not washed away properly, the odor can remain in the fibers and be reactivated when the garment is used again.
Low washing temperature is often not enough
Synthetic garments are often washed at low temperatures to protect the material. The problem is that low temperatures are not always enough to dissolve grease and kill odor-causing bacteria.
This means that:
• The smell disappears temporarily
• The garment smells again when used
• The problem worsens over time
What can be done to reduce odor in synthetic clothing?
• Wash synthetic garments separately if necessary
• Use the correct amount of detergent
• Avoid fabric softeners that can create deposits
• Make sure the garments dry quickly and completely
• Clean the washing machine regularly
In some cases, synthetic garments may need extra care to become completely odor-free.