Australia summer is supposed to feel carefree, but if you have eczema like me, humidity can make our skin feel like it’s waging war. The constant sticky heat, the sweating, the irritation... it all adds up, and suddenly our “hot girl walk” becomes a “hot itchy walk.” But, there is a science behind it, and once you understand what humidity and heat does to eczema, managing flare-ups becomes a lot easier.
Image 1. Kakadu National Park Guide: Rock Art, Waterfalls & Seasons From Pathfinder Travels (https://pathfinders-travel.com/kakadu-national-park-guide/)
Humidity increases the moisture level in the air. For some eczema prone people, its useful but for others it actually disrupts the skin barrier. When your skin is already compromised, the combination of sweating and trapped heat can trigger inflammation. Sweat contains salt, which stings broken skin and can cause redness, burning, and irresistible itchiness. Add in friction from clothing, and your skin becomes overloaded.
Image 2. From Brite Touch Cleaners (https://britetouchcleaners.com/wp-content/uploads/2025/03/workout-clothes-blog.jpg)
Another overlooked factor is the growth of bacteria and yeast in humid conditions. Warm, moist environments create a perfect breeding ground on the skin’s surface, especially in folds like elbows, underarms, and behind knees. This microbial imbalance can make flares worse or longer-lasting.The key to surviving summer humidity is prevention. Think lightweight, fragrance-free moisturisers, showering right after sweating, wearing breathable fabrics like cotton, and avoiding heavy occlusive products that trap heat. Humidity might be unavoidable, but with the right routine, you can still enjoy summer without hiding in an air-conditioned bubble.
Until next time,
My
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