What is sunscreen?

Sunscreen: Protecting Your Skin from the Sun

Sunscreen is a crucial product for protecting your skin from the harmful effects of the sun's ultraviolet (UV) radiation. Regular use of sunscreen can help prevent sunburn, premature aging, and reduce the risk of skin cancer.

Types of Sunscreen

There are two main types of sunscreen:

• Mineral Sunscreens: These sunscreens, also known as physical sunscreens, contain mineral ingredients like zinc oxide and titanium dioxide. They work by creating a physical barrier on the skin that reflects UV rays. Mineral sunscreens are generally considered to be gentler on the skin and are often recommended for people with sensitive skin.
• Chemical Sunscreens: These sunscreens contain chemical filters that absorb UV radiation and convert it into heat, which is then released from the skin. Common chemical filters include oxybenzone, avobenzone, and octinoxate.

SPF (Sun Protection Factor)

The SPF number indicates how well a sunscreen protects you from UVB rays, which are the primary cause of sunburn and contribute to skin cancer risk. Higher SPF numbers offer more protection, but no sunscreen blocks 100% of UVB rays. Dermatologists typically recommend using a sunscreen with an SPF of 30 or higher.

Broad Spectrum Protection

It's essential to choose a sunscreen that offers broad spectrum protection. This means the sunscreen protects against both UVA and UVB rays. UVA rays contribute to premature aging and can also increase the risk of skin cancer.

How to Apply Sunscreen

• Apply sunscreen liberally at least 15-30 minutes before sun exposure.
• Use about one ounce (a shot glass full) to cover your entire body.
• Reapply sunscreen every two hours, or immediately after swimming or sweating.
• Don't forget to apply sunscreen to often-missed areas like your ears, neck, and the tops of your feet.
• Use a water-resistant sunscreen if you'll be swimming or sweating.

Important Considerations

• Expiration Date: Check the expiration date on your sunscreen and discard it if it's expired.
• Skin Type: Choose a sunscreen that is appropriate for your skin type. If you have sensitive skin, opt for a mineral sunscreen.
• Sun Protection Habits: Sunscreen is just one component of sun protection. It's also important to seek shade, wear protective clothing, and avoid the sun during peak hours (10 AM to 4 PM).

By understanding the different types of sunscreen and how to use it correctly, you can effectively protect your skin and reduce your risk of sun damage.