sunscreen and aging skin

Does sunscreen prevent aging skin?

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Sunscreen helps prevent aging primarily by protecting the skin from the harmful effects of ultraviolet (UV) radiation from the sun. However, what you may not know is this is what makes sunscreen important to delay the onset of aging skin. 

It’s true. 

Let us explain…

There are two types of UV rays that can damage the skin: UVA and UVB rays.

UVA Protection: UVA rays have a longer wavelength and penetrate deeper into the skin. They are responsible for causing premature aging signs like wrinkles, fine lines, and loss of elasticity. UVA rays can also contribute to the development of age spots and uneven skin tone.

UVB Protection: UVB rays have a shorter wavelength and primarily affect the top layers of the skin. They are responsible for causing sunburns and directly contribute to the development of skin cancers. Sunburns can also lead to long-term damage to the skin, accelerating the aging process.

Sunscreen acts as a barrier that absorbs or reflects these harmful UV rays, preventing them from penetrating the skin and causing damage. By wearing sunscreen regularly, you can significantly reduce the risk of sunburn and other sun-related skin problems, ultimately helping to prevent premature aging and maintaining a more youthful appearance.

What To Use

It’s important to use a broad-spectrum sunscreen with an SPF (Sun Protection Factor) of at least 30 and to reapply it every two hours or after swimming or sweating. This ensures that your skin is adequately protected from both UVA and UVB rays throughout the day. Additionally, wearing protective clothing and seeking shade during peak sun hours can further enhance the effectiveness of sunscreen in preventing skin aging caused by sun exposure.


If you are in Toronto, or intense heat-filled cities, make sure to check our Summer Skincare Tips to stay safe, healthy and glowing! 


Have more questions? 

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