The primary, preventable cause of skin cancer is exposure to UVB/UVA radiation. The negative effects of sun damage include sun burn, photo-aging, and skin cancer, which are caused by both UVB and UVA radiation. The body has natural defense mechanisms to protect against ultraviolet radiation damage, however repeated exposure exceeds the bodies natural repair processes.
The ubiquitous nature of ultraviolet rays requires the use of sunscreen agents to block the damaging effects. Since UVB (280-320 nm) and UVA (320-400) radiation contribute to skin cancer, it is important to provide UV protection over a broad spectrum of ultraviolet radiation (280-400 nm) to prevent skin cancer.
Sunscreen expands the range of ultraviolet protection from damaging ultraviolet rays. Ideally, it contains organic ingredients that absorb UVB and UVA radiation and inorganic ingredients that scatter both UVB and UVA radiation. A sunscreen should be applied 30-60 minutes before sun exposure and reapplied every 2-4 hours depending on the quantity of direct sun exposure. Daily use of a sunscreen enhances it effectiveness as it can bind to skin proteins and create a reservoir effect.
Rx Systems PF New Facial Moisturizer SPF 35 provides unprecedented photo protection with its unique combination of ingredients including transparent zinc oxide. This moisturizer is hypoallergenic, PABA-free, non-comedogenic, non-greasy, and light weight. It provides broad spectrum UVB/UVA protection. In addition to the unique combination of sunscreen ingredients, it contains antioxidants to enhance the effectiveness of the photo protection and to neutralize free radicals not blocked by the SPF 35.
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