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Writer's pictureDr. Michael Brandwein

How the Environment Affects Your Baby’s Skin Health (CARE TEWL Study)

Updated: Oct 8

Your baby’s skin health is more than just about protection—it’s about how their skin acts as a shield against environmental threats. But did you know that the environment can significantly impact your baby’s skin health? A new theory called the "epithelial barrier hypothesis" suggests that damage to the skin's protective barrier may increase the risk of developing conditions like allergies and asthma. Let’s explore how this happens and what recent research reveals.

 

The Importance of a Strong Skin Barrier


Your baby’s skin health depends largely on the strength of their skin barrier. This barrier keeps harmful substances out while locking moisture in. When the barrier is damaged, it can set off a chain reaction leading to health problems like eczema, asthma, and food allergies. While genetics play a role, environmental factors in early life can also trigger these conditions, even in babies without a strong genetic risk.


 Healthy skin barrier protecting a baby’s skin from environmental factors.

What the CARE Study Reveals about Your baby’s skin health


To better understand how the environment affects your baby’s skin health, the MyOr team conducted the "Comprehending Atopic Risk Elements (CARE)" study. This study followed 242 babies from birth, focusing on how their skin responded to their environment. Researchers measured the skin’s ability to retain moisture using a method called TEWL (Transepidermal Water Loss). The goal was to see if TEWL measurements, combined with family history and other factors, could predict the likelihood of developing eczema by age two.


Surprisingly, the study found that babies from rural areas had higher TEWL values, indicating a weaker skin barrier, compared to those from urban areas. This was unexpected since urban environments are generally thought to be harsher on the skin. Factors like bathing habits, exposure to secondhand smoke, and pet ownership (especially dogs) might have influenced these results.


Baby being bathed, highlighting the importance of proper bathing habits for skin health.

What This Means for Your Baby’s Skin


The CARE study challenges some common beliefs about how the environment affects your baby’s skin health. While TEWL is a known predictor of skin conditions, this study showed that other factors—like whether your baby is bathed early or if they live with a dog—might also play a significant role. More research is needed to fully understand these influences.


Dr. Michael Brandwein, the lead author of the study and CTO of MyOr, reflected on the findings, stating, "This study highlights the complex relationship between genetics and the environment. At MyOr, we are dedicated to exploring these factors to better understand and manage skin health."


Baby walking in a safe environment, representing the importance of a healthy living space for skin health.
 

Conclusion:


Understanding how the environment affects your baby’s skin health is key to preventing allergies and skin conditions. The CARE study shows that factors like where you live and how you care for your baby’s skin can impact their overall skin health. By focusing on maintaining a strong skin barrier and considering environmental influences, you can help protect your baby’s skin from potential issues.


For more information on how to support your baby’s skin health with guidance from our pediatric nutritionists, visit MyorThrive.com.

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