There are things you think about often.
What your child eats.
What they breathe.
What they play with.
But there is something your child is in contact with
for hours
every day
often through the night
while their body grows and repairs itself.
Clothing.
It touches their skin while they play.
While they sweat.
While they sleep.
And yet, it is rarely considered part of a child’s health environment.
But it should be.
The Problem Most Adults Don’t Realise Yet
Skin is often described as a barrier.
Something that keeps the outside world out.
But in children, skin is still developing.
It is thinner.
More permeable.
Less effective at blocking what it comes into contact with.
Children also spend long, uninterrupted periods in contact with fabric.
Hours at a time.
Night after night.
Day after day.
Because clothes are not eaten or inhaled, they are often overlooked in conversations about chemical exposure.
But contact matters.
And duration matters.
The Insight: Clothing Is Chemically Treated Before It Reaches Your Child
Most clothing is treated during manufacturing.
Not because clothing is inherently unsafe,
but because treatments improve colour, softness, durability, and performance.
Some of the most common chemical treatments used in children’s clothing include:
1. Dyes
Used to create bright or long-lasting colours.
Certain dyes can irritate sensitive skin and contribute to contact dermatitis, especially when clothing is worn close to the body or during sweating.
2. Formaldehyde-based finishes
Used to make clothing wrinkle-resistant or “easy care”.
Formaldehyde is a well-recognised skin and respiratory irritant.
Prolonged skin contact increases the likelihood of irritation, particularly in children.
3. Flame retardant treatments
Used in some sleepwear and bedding to meet fire safety requirements.
Some flame retardants are known to interfere with hormone signalling and persist in household dust, increasing cumulative exposure over time.
4. Softeners and performance coatings
Used to improve feel, stain resistance, or water resistance.
These coatings add chemical load without offering health benefits for children.
5. Antimicrobial treatments
Used to reduce odour or market clothing as “hygienic”.
These treatments can disrupt the skin’s natural microbiome and are unnecessary for healthy children.
Paediatric environmental health experts consistently highlight that children are more affected by these inputs because:
they absorb more through their skin
their skin barrier is still developing
they experience longer contact time
exposure occurs during critical stages of growth
This does not mean clothing is dangerous.
It means that simpler clothing places less chemical load on a developing body.
The Solution: Focus on Contact, Duration, and Simplicity
The goal is not to avoid clothing or create anxiety.
The goal is to reduce unnecessary exposure where it matters most.
Items worn for the longest periods deserve the most attention.
Sleepwear.
Underwear.
Base layers.
Bedding.
Choosing simpler fabrics and fewer chemical treatments lowers the load your child’s skin needs to manage each day.
Natural fibres are often used as a default because they typically require fewer finishes and coatings.
Certifications help simplify decisions by setting clear limits on dyes, finishes, and chemical residues.
This is not about perfection.
It is about choosing calm where calm is possible.
Small Steps You Can Start Today
Pick one.
Not everything.
Just one.
- Choose natural fibres for items worn closest to the skin: Focus first on sleepwear, underwear, and base layers. Cotton, wool, and linen are common choices.
- Look for trusted certifications: GOTS for organic textiles with strict limits on dyes and finishes & OEKO-TEX® Standard 100 for fabrics tested for harmful substances
- Prioritise certified sleepwear and bedding: This is where contact time is longest and the body is most at rest.
- Avoid clothing marketed with heavy performance claims: “Non-iron”, “easy care”, “stain resistant”, or “antibacterial” usually signal added treatments.
- Wash new clothes before first wear: This helps remove surface residues from manufacturing and transport.
You do not need to replace your child’s wardrobe.
One certified, well-chosen item already reduces exposure meaningfully.
Every small reduction lowers total exposure.
Every reduction gives a developing body more space.
A Gentle Closing Thought
Your child’s skin is not just a covering.
It is part of how they experience the world.
What rests against it for hours at a time
quietly becomes part of their environment.
When you choose simpler clothing, you are not being extreme.
You are being attentive.
And in that attentiveness,
you create a lighter load
for a body that is still learning how to grow.
Sources: Dr. Philip Landrigan, Dr. Leonardo Trasande, WHO & Harvard Health Publishing
