The short answer is yes, you should consider wearing sunscreen indoors, especially if exposed to certain light types. While protecting your skin from UV rays inside your home or office might seem unnecessary, certain factors make sunscreen an essential part of your daily routine, even indoors. Here’s why wearing sunscreen inside is important and how it protects your skin.

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UV Rays Can Penetrate Through Windows

One of the most significant reasons to wear sunscreen indoors is that UVA rays (responsible for skin aging and wrinkles) can pass through windows. Even if you’re not directly exposed to the sun, these rays can still reach you through glass, leading to long-term skin damage.

• UVA vs. UVB Rays: While UVB rays, which cause sunburn, are blocked by windows, UVA rays are not. These rays penetrate deeper into the skin, causing premature aging and increasing the risk of skin cancer.

Blue Light from Screens Can Harm Skin

If you spend much time in front of a computer, smartphone, or television, you’re exposed to blue light (also known as HEV light). Recent studies suggest that blue light can contribute to premature skin aging, hyperpigmentation, and oxidative stress.

This study highlights that blue light contributes to an acceleration of cellular degeneration, resulting in the breakdown of collagen sooner. Because of this, constant blue light exposure without adequate protection can make your skin show the signs of aging faster.

• Why Sunscreen Helps: Certain sunscreens now include ingredients that protect against both UV rays and blue light, offering added protection while you’re working indoors or using your devices.

Many have started investing in blue light glasses to block blue light from reaching their eyes, but these products offer zero protection for your skin. Sunscreen may help. You can also invest in blue light filters for screens to reduce exposure to blue light.

Most laptops and smart devices have settings that can eliminate blue light. While it may change the color on the screen, it can help reduce the signs of premature aging if you spend hours in front of screens, like your phone or laptop.

Indoor Lighting and Skin Health

Some indoor lighting, particularly fluorescent and halogen bulbs, can emit small amounts of UV radiation. While the amount is minimal compared to natural sunlight, long-term exposure to indoor lighting without protection may still contribute to skin aging and damage.

• Why It Matters: If exposed to bright, artificial light for extended periods, sunscreen can help minimize the risk of cumulative damage.

Prevention is Key for Anti-Aging

Even if you’re indoors most of the day, protecting your skin from any potential UV exposure can significantly reduce the chances of premature aging, fine lines, and pigmentation. Sunscreen helps maintain a youthful, even complexion and is one of the best anti-aging tools.

• Why It Matters: Sun damage is cumulative, meaning that small, daily exposure can increase over time, leading to noticeable signs of aging.

Daily Sunscreen Use Is Recommended by Dermatologists

Most dermatologists agree that sunscreen should be worn daily, regardless of whether you’re inside or outside. The reason is simple: protecting your skin consistently helps reduce your risk of skin cancer, sunburns, and long-term damage. Even on cloudy days or when staying indoors, sunscreen offers essential protection.

How to Choose the Right Sunscreen for Indoors

When choosing a sunscreen to wear indoors, look for broad-spectrum SPF, which protects against UVA and UVB rays. If you’re concerned about blue light exposure, choose a sunscreen with added antioxidants or blue light-blocking ingredients.

• SPF 30 or Higher: Dermatologists recommend using sunscreen with an SPF of at least 30 daily.
• Non-Greasy Formulas: Opt for lightweight, non-greasy formulas that won’t feel heavy on the skin when you’re inside.
• Blue Light Protection: If you spend long hours in front of screens, look for products that specifically mention blue light protection.

Our Picks

Supergoop! Glowscreen

IMAGE Skincare, PREVENTION+ Daily Ultimate Protection Moisturizer SPF 50 

Should You Wear Sunscreen Inside?

Wearing sunscreen indoors is important, especially if you’re exposed to UVA rays through windows, blue light from screens, or artificial lighting. Consistent sunscreen use prevents skin aging and helps protect against skin cancer. Whether you’re spending your day working from home or running errands outside, make sunscreen a non-negotiable part of your daily skincare routine. Check out the rest of the site to learn more!

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