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From Indoors to Outdoors: How to Keep Your Skin Healthy in Changing Environments

By Ifeoma Okoronkwo MD / 29 November 2024

From Indoors to Outdoors: How to Keep Your Skin Healthy in Changing Environments

 

Whether it’s the cozy warmth of your living room or the unpredictable chill of winter winds, your skin works overtime as you transition between heated indoor spaces and the brisk outdoors. These rapid environmental shifts can leave your complexion feeling tight, flaky, or oily (sometimes all at once). The good news? A Climate-Smart skincare routine can save the day (and your skin), ensuring a healthy, glowing complexion no matter where you are. Let’s dive into the science behind environmental skin stressors and how to shield your skin with smart strategies.

1. Weather Whiplash: What Happens to Your Skin?

Going from heated indoors to colder, drier outdoor air puts your skin through the wringer. Indoor heating often reduces humidity levels, which sucks moisture from your skin. Step outside into the cold, and your skin faces another challenge: the behavior of your natural oils changes dramatically.

Skin’s natural oils, primarily composed of sebum (a mix of triglycerides, wax esters, and squalene), are highly temperature-sensitive. In cold weather, certain components of sebum, like wax esters, can become more viscous or even solidify. While they don’t literally freeze, this reduced fluidity makes it harder for the oils to spread evenly across your skin. Without this even coating, your skin barrier becomes patchy and less effective at retaining moisture (Knox & O’Boyle, 2021).

This process weakens your lipid barrier, leading to trans-epidermal water loss (TEWL)—the escape of water from your skin into the air. The result? Dryness, irritation, and a tight, uncomfortable feeling. Over time, this disrupted lipid barrier allows environmental irritants like cold winds, pollution, and UV rays to penetrate deeper into the skin, increasing redness, dullness, and accelerating aging (Herrero-Fernandez et al., 2022).

Why it matters: When the stratum corneum, your skin’s outermost layer, loses its protective lipid layer and hydration, it can’t defend against environmental stressors. This makes your skin more vulnerable to increased skin sensitivity, flaking, and a lackluster appearance.

2. Layer It On: Skincare is Like Dressing for the Weather

Just like you wouldn’t wear a t-shirt in a snowstorm, your skin needs the right “layers” of care to stay protected. Start with a humectant-rich serum to draw moisture into the skin. Follow it with an occlusive cream that locks hydration in place. Look for ingredients like hyaluronic acid (to hydrate) and ceramides (to repair the barrier) (Harwood et al., 2024).

Beauty Tip: Apply skincare products within three minutes of drying your face after cleansing to trap water before it evaporates.

3. The Great Indoor Problem: Dry Air Drama

Indoor heating systems are notorious for creating a Sahara Desert-like environment for your skin. The low humidity it creates indoors accelerates TEWL, leaving your skin dehydrated. Prolonged exposure to dry air can disrupt the production of natural moisturizing factors (NMFs) produced by your epidermis like urea and lactate, which help keep the skin soft and supple (Stamatas, 2024).

Beauty Tip: Use a humidifier indoors to maintain a relative humidity of 40–60%, which is ideal for skin health (Mieremet et al., 2019). Also, drink plenty of water to hydrate from within, and consider adding electrolytes to retain hydration and moisture better.

4. Frosty Mornings, Fiery Skin: Battling Cold-Weather Irritation

Cold air outdoors isn’t just uncomfortable—it’s actually actively harmful to your skin. As temperatures drop, the natural oils in your skin solidify or thicken, creating uneven coverage. This uneven lipid layer weakens your skin’s barrier, leaving it prone to dryness and irritation. Add harsh winds into the mix, and your skin loses moisture at an even faster rate, resulting in cracked, flaky, or irritated patches.

Additionally, low temperatures constrict blood vessels in your skin, reducing circulation and leaving your complexion dull and pale. This decreased circulation slows your skin’s ability to heal, making existing irritation or damage worse. Over time, a compromised lipid barrier and reduced hydration can lead to sensitivity, redness, and even visible signs of aging.

Combat this with a Climate-Smart routine:

  • Morning Routine: Cleanse gently to avoid stripping away oils, then apply an antioxidant serum and an occlusive moisturizer to lock in hydration. Finish with SPF to protect against UVA rays, which can penetrate through clouds and windows even in winter (Chen et al., 2021).
  • Evening Routine: Skip exfoliating at night to let your skin’s natural repair processes work uninterrupted. Instead, use a overnight cream that helps replenish lipids and supports barrier recovery, while allowing the skin to go through its nightly desquamation process, where old “ dead” skin cells are shed revealing a pristine, new layer of skin cells beneath them. 

 

Beauty Tip: If your skin feels tight and uncomfortable after heading outdoors, try Pour Moi Skincare’s Raindrops for an immediate hydration boost. It works not only to grab moisture from the environment and add it to your parched skin, but also to restore your skin’s barrier  function and adapt to changing climates around you.

5. On Guard: Pollution Patrol for Urban Explorers

Moving from indoors to outdoors in urban areas adds another layer of complexity—pollution. Particulate matter from vehicle exhaust and industrial emissions can settle on your skin, creating oxidative stress. Oxidative stress damages the skin barrier and leads to inflammation, acne, and an uneven skin tone (Knox & O’Boyle, 2021).

Protect your skin with:

  • Antioxidant-rich products (think vitamins C and E) to neutralize free radicals produced by oxidative stress.
  • A protective layer like Pour Moi Skincare’s Botanical Reversal Mask, which shields against blue light and pollution while keeping your skin hydrated and dewy.

 

Beauty Tip: Always cleanse thoroughly at night to remove pollutants and avoid clogged pores.

6. Shield Your Skin: Adapting to the Unexpected

The weather has a way of surprising us—one moment it’s sunny and brisk, the next, the wind whips up a chill that stings your cheeks. Your skin thrives on consistency, but when the environment shifts so rapidly, your barrier function struggles to keep up. Here’s why adapting your skincare routine is essential:

  • Smart Water: Low humidity outside and artificial heating inside both lead to trans-epidermal water loss (TEWL). This makes humectants like glycerin, hyaluronic acid, and panthenol your best friends. These ingredients attract and retain water in the stratum corneum, keeping your skin plump and moisturized no matter the environment you find yourself in (Stamatas, 2024).
  • Barrier Reinforcement: If your skin barrier is already compromised, switching between climates can worsen irritation. Apply a product with ceramides, cholesterol, and fatty acids to rebuild the lipid layer and shield your skin from the elements (Knox & O’Boyle, 2021).
  • Antioxidant Protection: Temperature swings and exposure to outdoor aggressors like UV rays or pollution generate reactive oxygen species (ROS), causing oxidative stress. Antioxidants like vitamins C and E neutralize these free radicals, preventing damage that can lead to dryness, discoloration, and wrinkles (Chen et al., 2021).

 

Beauty Tip: Always keep a travel-sized moisturizer or serum in your bag to rehydrate on the go. Pour Moi Skincare’s Raindrops is perfect for this—it’s formulated to tackle dryness, rebalance the skin barrier, and boost hydration, making it an easy fix when your skin feels the brunt of changing climate conditions.

Reapply SPF every 90 minutes when outdoors, even on cloudy days, to protect your skin from UVA rays, which penetrate deep into the dermis and contribute to oxidative stress, and aging skin.

7. The Secret Weapon: A Climate-Smart Skincare Routine

The ultimate solution to weather-induced skin woes? A Climate-Smart skincare routine that adjusts to the conditions you face throughout the day. Pour Moi Skincare’s patented Climate-Smart®, system is designed with this adaptability in mind. Here’s why it’s a game-changer:

  • Daily Adaptation: Pour Moi’s patented rotating day creams let you choose the right moisturizer based on the day’s weather, ensuring your skin gets what it needs whether it’s dry and cold, rainy and humid, or somewhere in between.
  • Barrier Restoration: Products like Pour Moi’s Smoke Alarm Drops and Botanical Reversal Mask go beyond surface hydration to actively repair the skin’s barrier. This means fewer signs of aging, dryness, redness, and irritation as you move between environments.
  • Targeted Hydration: Ingredients like MossCellTec™ No. 1 and Tuber Aestivum Extract adapt to fluctuating temperatures and humidity, refining skin texture while strengthening resilience. These advanced formulations help your skin stay balanced and glowing—even when the weather isn’t.
  • Pollution Defense: Urban dwellers face another layer of complexity—airborne pollutants like particulate matter which can trigger oxidative stress. Pour Moi’s Botanical Reversal Mask forms a protective film on your skin, shielding it from pollutants and blue light, while also offering anti-aging benefits. And the Smoke Alarm Drops provide 100% protection against particulate matter from wild fire smoke from penetrating the epidermis AND dermis.

 

Why it works: The Climate-Smart system recognizes that your skin isn’t static—it changes with your environment. By tailoring your skincare to the day’s conditions, you can proactively protect your skin and maintain its natural glow, no matter what the climate challenges it faces.

Beauty Tip: Always start your routine by cleansing gently. A clean surface allows Climate-Smart products to absorb effectively, maximizing their benefits.

The Bottom Line

Moving between heated indoor spaces and cold outdoor air doesn’t have to mean sacrificing your skin’s health. By understanding the effects of environmental changes and adopting a Climate-Smart skincare routine, you can maintain a radiant, resilient complexion all day long.

Ready to take on the elements? Start layering up your skincare like you layer your wardrobe—because your skin deserves nothing less than the best protection.

References:

  1. Engebretsen, Kristiane A. et al. “The effect of environmental humidity and temperature on skin barrier function and dermatitis.” Journal of the European Academy of Dermatology and Venereology 30 (2016): n. Pag. https://www.semanticscholar.org/paper/The-effect-of-environmental-humidity-and-on-skin-Engebretsen-Johansen/2f0ceb549d9e4d3a027ee09f28ba66eeb2183d93
  2. Knox, S., & O’Boyle, N.M. (2021). Skin Lipids in Health and Disease: A Review. Chemistry and Physics of Lipids, 236, https://www.sciencedirect.com/science/article/pii/S0009308421000086
  3. Stamatas, G.N. (2024). Protein Degradation in the Stratum Corneum. International Journal of Cosmetic Science, 46, 590–597, https://doi.org/10.1111/ics.12974
  4. Mieremet, A., et al. (2019). Unravelling Effects of Relative Humidity on Lipid Barrier Formation in Human Skin Equivalents. Archives of Dermatological Research, 311(9), 679-689, https://pubmed.ncbi.nlm.nih.gov/31321505/
  5. Harwood A, Nassereddin A, Krishnamurthy K. Moisturizers. [Updated 2024 Feb 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.https://www.ncbi.nlm.nih.gov/books/NBK545171/