Skin Care: Why do the sun's rays damage the skin? Learn how sunburn occurs and ways to prevent it..
- byShikha Srivastava
- 04 May, 2026
The sun is essential for life on Earth. It provides us with light and energy, and also aids in the production of Vitamin D within the body—a nutrient crucial for bone health. However, its intense rays are not always beneficial. Prolonged exposure to sunlight can damage the skin and lead to issues such as sunburn. Read on to learn how the sun's rays harm the skin and what remedies to apply in the event of a sunburn.

**Types of Solar Rays**
The energy emitted by the sun primarily consists of three types:
**Infrared Rays:** These generate a sensation of heat and possess the lowest energy levels.
**Visible Light:** The light that we can perceive with our eyes.
**Ultraviolet (UV) Rays:** These are the most energy-rich rays and are harmful to the skin.
**How Does Sunburn Occur?**
Ultraviolet rays damage skin cells. When the skin is exposed to these rays for an extended period, the cells begin to sustain damage or die. The body responds to this trauma, causing the skin to turn red and resulting in swelling, irritation, and pain. This condition is known as sunburn.
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UV rays can have an impact not only during intense sunshine but in virtually any environment. They can reflect off surfaces such as water, snow, sand, and concrete. Furthermore, they are capable of penetrating through clouds; therefore, taking precautions is essential even on overcast days.
**Ways to Prevent Sunburn**
Avoid going out in the sun between 10:00 AM and 4:00 PM.
Wear light-colored clothing that covers your entire body.
Wear a hat and sunglasses.
Apply a sunscreen with an SPF of at least 30, and reapply it every 3–4 hours.
Stay adequately hydrated by drinking plenty of water.
**What to Do If You Get Sunburned?**
If your skin gets burned, apply a cold compress or soak the affected area in cool water. Apply moisturizer. If the problem persists or worsens, consult a doctor.
The sun is the foundation of our lives; however, understanding its effects and maintaining a balance is essential. By taking the appropriate precautions, we can harness its benefits while protecting our skin from damage.
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