Why your skin is so dry in Las Vegas

Desert air, very hard water and air conditioning all pull at your skin here. What each one does, and a simple routine that holds up in the Mojave.

By Arianna, licensed esthetician · 5 min read

If your skin felt fine before you moved to Las Vegas and now feels tight by lunchtime, you're not imagining it. Three things work on your skin here at the same time: very dry air, very hard water, and air conditioning that runs most of the year. The fix is less about buying more products and more about changing a few habits — shorter, cooler showers, moisturizer on damp skin, and a gentler cleanser.

Here's what each one is doing, and what helps.

The air takes water out of your skin

The outer layer of your skin is a barrier. Its job is to keep water in. When the air around it is dry, water leaves your skin faster, and the barrier has to work harder to hold on.

A 2016 review of the research in the Journal of the European Academy of Dermatology and Venereology (Engebretsen and colleagues) looked at exactly this. It found that low humidity and low temperatures weaken the skin barrier and make skin react more to irritants. That last part matters: dry skin isn't just a comfort problem. It's skin that stings more easily when you put something strong on it.

Las Vegas is dry nearly all year. Late spring and early summer are the driest stretch, winter is less dry, and monsoon season brings a few muggy weeks that don't last. The point isn't the exact number on a given day. It's that your skin is losing water to the air almost every day you live here.

Air conditioning makes indoors a desert too

Outside is dry. Inside isn't much better. Air conditioning pulls moisture out of the air as it cools it, and in Las Vegas the AC runs from spring well into fall. Then the heat comes on in winter, which dries the air again.

So most people here spend their day going from dry heat to dry cool and back. A humidifier in the bedroom is the cheapest way to give your skin eight hours a night that aren't working against it.

The water is very hard

The Las Vegas Valley Water District describes the valley's water as "very hard." KTNV reported it at about 16 grains per gallon, which put Las Vegas among the hardest water in the country.

Hard water is full of dissolved minerals, mostly calcium and magnesium. They don't hurt you. But they react with soap and leave a film behind, which is why your shower glass spots and why cleanser can feel like it never quite rinses off. On skin that's already dry, that film can leave your face feeling tight and squeaky after washing — and squeaky is not the same as clean.

You can't change the water. You can change what you do with it:

  • Use a cream, milk or gel cleanser rather than a foaming bar soap.
  • Rinse with lukewarm water, and rinse longer than you think you need to.
  • Pat dry. Don't rub.
  • If your face still feels tight after washing, try cleansing once a day (at night) and just rinsing in the morning.

What actually helps

The American Academy of Dermatology's advice for dry skin is simple and it holds up well here. These are the habits worth building:

Habit Why it matters in Las Vegas
Keep showers short, and warm rather than hot Hot water strips the oils your skin uses to hold water. In dry air you can't afford to lose them.
Moisturize while skin is still damp The AAD's advice is to put moisturizer on right after you bathe or wash. It seals in water before the air takes it.
Choose fragrance-free products The AAD recommends fragrance-free products for dry skin, and dry skin reacts more to irritants.
Pick a thicker moisturizer at night A cream holds better than a light lotion through eight hours of AC.
Run a humidifier while you sleep It's the one room you can control for a whole night.
Wear sunscreen every day Sun is part of every season here. Make it part of the morning routine, not a pool-day extra.

A simple routine for desert skin

You don't need ten steps. You need the right four, done every day.

Morning

  1. Rinse with lukewarm water, or use a gentle cleanser if you wore something heavy overnight.
  2. A hydrating serum on damp skin, if you like one.
  3. Moisturizer.
  4. Broad-spectrum sunscreen.

Night

  1. Gentle cleanser. If you wore makeup or sunscreen, cleanse twice.
  2. Any active you use, like retinol or an exfoliating acid, a few nights a week rather than every night. Dry, stressed skin tolerates less.
  3. A richer cream than you use in the morning.

If something stings, stop using it for a week and let your skin settle. In this climate, the problem is usually doing too much, not too little.

When a professional facial helps

Home care keeps things steady. A facial is useful when your skin has gotten away from you: flaky patches under makeup, congestion from layering heavy products to fight the dryness, or a barrier that stings at everything.

In the treatment room, an esthetician can exfoliate properly without overdoing it, clear congestion safely, and give your skin a long, hydrating mask while you lie still. You also get a second opinion on your routine from someone who sees what dry Las Vegas skin looks like every week.

If you're in the northwest valley, I'm a licensed esthetician at Destined Beauty in Summerlin, and every facial starts with a conversation about what your skin is doing right now. But wherever you go, look for someone who asks about your routine before they touch your face.

When to see a dermatologist instead

An esthetician cares for healthy skin. Some things need a doctor. See a dermatologist if your dry skin cracks or bleeds, itches enough to keep you up, doesn't improve after a couple of weeks of gentle care, or comes with a rash. Those can be signs of eczema or another condition, and they need a diagnosis, not a facial.

Sources

  • Engebretsen KA, et al. "The effect of environmental humidity and temperature on skin barrier function and dermatitis." Journal of the European Academy of Dermatology and Venereology, 2016. Abstract
  • American Academy of Dermatology, "Dermatologists' top tips for relieving dry skin." aad.org
  • KTNV Las Vegas, "Las Vegas has 2nd hardest water in the nation." ktnv.com
  • Las Vegas Valley Water District, water quality FAQ. lvvwd.com

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