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UVA Rays

/ˌjuː.viːˈeɪ reɪz/noun
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UVA rays are a type of ultraviolet radiation with wavelengths between 315 and 400 nanometers, known for penetrating deep into the skin and contributing to long-term damage like wrinkles and skin aging, rather than immediate burns; in today's world, they're a major focus in skincare products and environmental health discussions due to their role in both natural tanning and increased cancer risks.

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UVA rays can penetrate through clouds and even window glass, making up about 95% of the UV radiation that reaches the Earth's surface, which means you're still exposed during overcast days or while driving, potentially accelerating skin aging by up to 80% compared to UVB exposure.

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