SPF (sun protection factor)

What is SPF?

SPF is an indicator of how much protection a sun product provides against sun damage. It is primarily calculated based on the product's ability to protect the skin from damage caused by UVB rays, which are responsible for sunburns. The higher the SPF number, the greater the protection.

The main active ingredient in products with SPF are sun filters. These filters can be chemical, absorbing UV rays, or physical (also known as minerals), reflecting UV rays. Chemical filters often include compounds such as avobenzone and octocrylene, while physical filters include ingredients like zinc oxide and titanium dioxide.

The benefits of SPF are crucial for skin health. It protects the skin from sunburns and, more importantly, from long-term damage such as premature aging and an increased risk of skin cancer. Additionally, regular use of SPF products can prevent the development of dark spots and collagen deterioration, maintaining firm and youthful skin.

SPF is found in a wide range of products, from moisturizers and foundation to body lotions and lip balms. It should be generously applied to exposed skin, even on cloudy days or during water activities, and reapplied every two hours to maintain effective protection.

Benefits:

Protects the skin from UVB rays and aging: SPF helps prevent sunburn by blocking or absorbing the majority of UVB rays, which are the primary cause of sunburn. Sunburn can cause redness, pain, and peeling, and repeated sunburns can contribute to long-term skin damage and increase the risk of skin cancer.

Reduced risk of skin cancer: Prolonged exposure to UV radiation is a major risk factor for skin cancer. Regular use of sunscreen with a high SPF can significantly reduce this risk by protecting the skin from the damaging effects of both UVB and UVA rays. Although UVA rays are less likely to cause sunburn, they can penetrate the skin more deeply and contribute to premature aging and an increased risk of skin cancer.

Prevention of premature aging: Sun damage is a leading cause of premature aging, including wrinkles, fine lines, and age spots. SPF helps protect the skin from the sun's harmful rays, minimizing the breakdown of collagen and elastin fibers in the skin. By using sunscreen regularly, you can maintain healthier and more youthful-looking skin.