Beauty

Dermatologists Warn These 5 Common Skincare Habits Could Be ‘Damaging’ Your Skin Barrier Over Time: Skipping Sunscreen, More

April 2, 2026 by Lisa Cupido
shefinds | Beauty
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When it comes to skincare, more isn’t always better. It’s easy to fall into the trap of layering product after product in the hopes of achieving flawless skin, but overdoing it can actually backfire. Many popular habits—like over-exfoliating, constantly switching products, or using too many actives at once—can even weaken your skin barrier and leave your complexion looking dull, irritated, or inflamed.

A thoughtful, streamlined routine tends to deliver way better results that overdoing it or skipping vital steps, like sunscreen. A gentle cleanser, a nourishing moisturizer, daily sunscreen, and a few targeted actives like vitamin C and retinol are often all you need for healthy, glowing skin.

With that in mind, dermatologists say it’s just as important to know what to stop doing as it is to know what to use. Here are five common skincare habits that could be damaging your skin barrier over time.

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1. Skipping Sunscreen


Skipping sunscreen might not seem like a big deal on cloudy days or when you’re mostly indoors, but UV exposure is one of the fastest ways to break down your skin barrier. Without protection, your skin becomes more vulnerable to irritation, dryness, and long-term damage like hyperpigmentation and fine lines. Over time, even small amounts of daily sun exposure can weaken your skin’s ability to repair itself. Wearing sunscreen consistently is one of the simplest ways to keep your barrier strong and resilient.

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2. Not Washing Off Makeup


Falling asleep with makeup on is a common habit, especially after a long day, but it can seriously disrupt your skin barrier. Makeup, oil, and environmental pollutants build up on the skin’s surface, clogging pores and preventing proper overnight repair. This can lead to irritation, breakouts, and a dull, uneven complexion. Cleansing your skin each night allows it to breathe and recover, which is essential for maintaining a healthy barrier.

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3. Picking At Your Pimples


It’s tempting to pick at blemishes, but doing so can cause more harm than good. Picking creates tiny wounds in the skin, which can damage the barrier and increase the risk of infection, inflammation, and scarring. It also slows down the healing process, often making breakouts last longer. Leaving pimples alone—or treating them gently with targeted products—helps protect your skin and supports proper recovery.

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4. Using Tanning Beds


Tanning beds may give a quick glow, but they expose your skin to intense UV radiation that can significantly weaken the skin barrier. This damage can lead to dryness, sensitivity, and premature aging, as well as increase the risk of more serious skin concerns. Repeated exposure makes it harder for your skin to retain moisture and defend itself against external stressors. A safer alternative is using self-tanning products that don’t compromise your skin’s health.

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5. Overwashing Your Face


Washing your face too often or using harsh cleansers can strip away your skin’s natural oils, which are essential for maintaining a strong barrier. While cleansing is important, overwashing can leave your skin feeling tight, dry, and more prone to irritation. This disruption can also trigger your skin to produce more oil, leading to an unbalanced complexion. Sticking to a gentle cleanser and washing just twice a day helps keep your skin healthy. 

Author:

Lisa Fogarty is a lifestyle writer and reporter based in New York who covers health, wellness, relationships, sex, beauty, and parenting.

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