Some individuals may ignore suspicious marks or lesions as potentially dangerous because they feel that sunscreen alone provides all the protection they need. All skin cancers are harmful, and malignant melanoma can be deadly if left untreated. Decreases in ozone density over the United States makes UVB ultraviolet light a prime suspect in the dramatic upswing in amphibian abnormalities noted in recent decades. This emphasizes the continuing need to improve public awareness. Sun exposure in early childhood and adolescence contributes to skin cancer.
Sunburn is the most preventable risk factor for skin cancer.
Skin type and family history cannot be changed, but everyone can control their sun safety habits and take precautions for protection. Sunscreens are being customized to meet a variety of needs. Significant improvements include less irritation and improved substantivity. Selecting a sunscreen has become a complicated, but important decision. The most important factor in choosing a sunscreen is its ability to protect the skin from both UVA and UVB ultraviolet light that can contribute to premature wrinkling, sunburn and skin cancer.