Clothing is in constant contact with our skin, often for many hours a day. While garments aren’t medical products, the materials used to make them can influence not just comfort, but also how our bodies interact with heat, moisture, and chemicals.
In recent years, there has been growing discussion around the substances used in synthetic fabrics and how prolonged exposure may affect the body over time. Understanding this information allows for more informed, intentional clothing choices.
What Synthetic Fabrics Are Made From
Most synthetic fabrics — including polyester, nylon, acrylic, and elastane — are made from petroleum-based plastics. During manufacturing, these fibers are treated with various chemicals to achieve specific properties such as:
• Wrinkle resistance
• Stretch and elasticity
• Color fastness
• Stain resistance
• Moisture-wicking performance
These treatments are part of what makes synthetic fabrics durable and low-maintenance, but they also introduce chemical compounds into the finished textile.
Common Chemicals Used in Synthetic Textiles
Depending on how a fabric is produced, synthetic garments may contain or be treated with substances such as:
• Plastic polymers
• Dyes and color fixatives
• Finishing agents for softness or performance
• Flame retardants (in some categories of clothing)
• Water- or stain-repellent treatments
While many of these chemicals are regulated, their presence has raised questions about long-term, repeated skin contact — especially when clothing is worn tightly or during sweating.
Skin Contact, Heat, and Absorption
The skin is a protective barrier, but it is not impermeable. Heat, friction, and moisture can increase interaction between the skin and whatever materials sit against it.
Some researchers suggest that prolonged exposure to certain textile chemicals — particularly in warm or humid conditions — may increase absorption through the skin. This doesn’t mean harm is guaranteed, but it highlights why fabric choice matters beyond surface comfort.
Synthetic Fabrics and Microplastics
Another area of growing concern is microplastic shedding. Synthetic fabrics release tiny plastic fibers during wear and washing.
These microfibers:
• Can enter the environment
• Have been detected in air, water, and household dust
• May come into contact with skin or be inhaled over time
Research into the long-term effects of microplastic exposure is still ongoing, but awareness has increased significantly in recent years.
Why Some People Choose Natural or Plant-Based Alternatives
Natural and plant-based fabrics generally require fewer chemical treatments to achieve softness and breathability. Because they are not plastic-based, they also do not shed microplastics in the same way synthetic fabrics do.
For some people, choosing natural or semi-synthetic materials feels more aligned with comfort, breathability, and personal peace of mind — particularly for garments worn close to the skin or for extended periods.
Awareness, Not Alarm
This isn’t about fear or avoidance. Synthetic fabrics play a role in modern clothing and often offer benefits such as durability and stretch.
However, becoming aware of how fabrics are made and what treatments they may contain allows for more thoughtful decisions — especially when balancing comfort, longevity, and personal values.
Choosing What Feels Right for You
The most supportive wardrobe is one that considers not only style, but how clothing feels on the body throughout the day. Reading fabric labels, noticing how garments perform in different conditions, and understanding material differences empowers better choices over time.
Small shifts in fabric selection can make a noticeable difference in comfort and confidence.
Thank you for following along in this series, so we can all understand what is going into the clothes we wear on a daily basis and how they can affect how we feel, our comfort, our impact on the environment, our health, and more..... Danniella <3