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Decoding Sun Rays
The level of sunlight that reaches the earth's surface is composed of two primary types of rays, both of which are harmful to the skin: Long Wave Ultraviolet A (UVA) and Short Wave Ultraviolet B (UVB). Unlike UVB rays, UVA rays penetrate deep into the skin’s thickest layer otherwise known as the dermis. However, both UVA and UVB rays can pose potential issues with unprotected exposure.

