The appearance of red nodules on skin is the sign of skin cancer. Most probably Ultra Violet (UV) radiations from the sun is the main cause of skin cancer. Sun rays i-e UVA (longer, weaker rays) and UVB (medium, stronger) can damage your skin. Skin cancer can be prevented by sunscreens. Now-a-days different sunscreens are formulated that prevent sun burn, tank and other diseases of skin. Sunscreens ability is to block Ultra Violet (UV) rays from sun that damages the skin layer badly. SPF 30 sunscreens are highly recommended for the protection of skin or to prevent skin cancer. SPF 15 can also be used for skin protection but SPF 30 can protect your skin more efficiently. Melanoma and Non-Melanoma skin cancers can be prevented by using sunscreen SPF 30. Aloe vera can reduce the possibility of skin cancer. So, sunscreen with aloe vera protect skin. Aloe vera gel can stimulate the skin and helps in generation of new cells. But using sunscreen should not be the first and foremost choice to prevent skin cancer.
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