NYC Tap Water: A Dermatologist's Warning About Eczema

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
May 5, 2026

Is your skin screaming after every shower? You might think it’s just the dry New York City air, but the culprit could be lurking right in your tap water. For those battling eczema, the unique chemical cocktail flowing from NYC faucets can be a major trigger, turning a simple wash into an itchy nightmare.

New York City tap water, while generally safe to drink, contains chlorine and a specific mineral composition that can wreak havoc on sensitive skin. Chlorine, a disinfectant added to kill bacteria, strips away natural oils, leaving skin dry and vulnerable. The high mineral content, particularly calcium and magnesium, contributes to water hardness, further exacerbating dryness and irritation.

Eczema, also known as atopic dermatitis, is a chronic inflammatory skin condition characterized by dry, itchy, and inflamed skin. The compromised skin barrier in eczema sufferers makes them particularly susceptible to the irritating effects of chlorine and hard water minerals. This combination can lead to increased itching, redness, and even painful flare-ups.

So, what can a New Yorker with eczema do? The good news is, you don’t have to move to the Catskills for relief. Several practical solutions can help mitigate the negative effects of NYC tap water on eczema.

First, consider investing in a water filtration system. A whole-house filter is the most comprehensive solution, removing chlorine and other impurities from all water sources in your home. However, these can be expensive and require professional installation, especially in older NYC apartments.

A more affordable and practical option for many New Yorkers is a shower filter. These filters attach directly to your showerhead and remove chlorine, heavy metals, and other contaminants. Look for filters specifically designed to remove chlorine and chloramine, as NYC uses both. Brands like AquaBliss and Culligan offer shower filters readily available at online retailers and even some Duane Reade and CVS locations.

Another effective strategy is to adjust your showering habits. Keep showers short and lukewarm, avoiding hot water, which further dries out the skin. Use a gentle, fragrance-free cleanser specifically formulated for sensitive skin. Cetaphil and CeraVe are widely recommended by dermatologists and easily found at any NYC pharmacy.

After showering, immediately pat your skin dry with a soft towel and apply a thick, fragrance-free moisturizer. Look for moisturizers containing ceramides, which help to repair the skin barrier. Aquaphor Healing Ointment is a great option for severely dry or cracked skin and can be found at most Duane Reade and CVS stores in the city.

Beyond filtration and showering habits, consider the specific products you’re using. Laundry detergents containing harsh chemicals and fragrances can also irritate eczema-prone skin. Opt for hypoallergenic, fragrance-free detergents like All Free Clear or Tide Free & Gentle.

Diet can also play a role in managing eczema. While not directly related to tap water, certain foods can trigger inflammation and worsen eczema symptoms. Common culprits include dairy, gluten, and processed foods. Keeping a food diary and tracking your eczema flare-ups can help identify potential triggers.

Navigating the NYC healthcare system can be daunting, but finding a qualified dermatologist is crucial for managing eczema. Look for a dermatologist specializing in eczema and atopic dermatitis. Many excellent dermatologists practice in Manhattan, Brooklyn, and Queens. Zocdoc and Healthgrades are useful resources for finding dermatologists in your area and reading patient reviews.

When should you see a dermatologist? If your eczema is severe, persistent, or not responding to over-the-counter treatments, it’s time to seek professional help. A dermatologist can prescribe stronger topical corticosteroids or other medications to control inflammation and relieve itching. They can also help identify potential triggers and develop a personalized treatment plan.

One common mistake people make is using harsh soaps and scrubs on their eczema. This can further damage the skin barrier and worsen inflammation. Avoid products containing sulfates, parabens, and fragrances.

Another pitfall is neglecting to moisturize regularly. Moisturizing is essential for maintaining the skin’s hydration and preventing flare-ups. Apply moisturizer at least twice a day, especially after showering or bathing.

Many New Yorkers rely on air conditioning during the hot summer months. While AC can provide relief from the heat, it can also dry out the air and exacerbate eczema. Use a humidifier to add moisture back into the air, especially in your bedroom.

Living with eczema in NYC presents unique challenges, but with the right strategies, you can manage your symptoms and enjoy healthy, comfortable skin. By understanding the impact of NYC tap water, investing in appropriate filtration, adopting gentle skincare practices, and seeking professional help when needed, you can take control of your eczema and thrive in the city that never sleeps. Don’t let your skin dictate your life in the Big Apple.

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