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SPF: The most important step in any skincare regime
The sun emits ultraviolet (UV) radiation, composed of UVA and UVB rays, which penetrate the skin at different depths. UVA rays, penetrate deeply into the skin and contribute to premature aging by damaging collagen and elastin fibres. This damage results in wrinkles, sagging skin, and age spots. UVB rays, on the other hand, cause superficial damage like sunburn and are strongly associated with skin cancer.