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Prevention involves minimizing sun exposure:
- Protect the skin by wearing protective clothing such as hats, long-sleeved shirts, long skirts, or pants.
- Ultraviolet light is most intense at midday, so try to avoid sun exposure during these hours.
- Use high-quality sunscreens, preferably with SPF (sun protection factor) ratings of at least 15.
- Look for sunscreens that block both UVA and UVB light.
- Apply sunscreen at least a half-hour before exposure, and reapply it frequently.
- Use sunscreen in winter, too.
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Examine the skin regularly for development of suspicious growths or changes in an existing skin lesion. A new growth that ulcerates, bleeds easily or is slow to heal is suspicious.
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