Sunlight is a major cause of skin aging, according to the National Institute of Health (NIH). We all know sunburn is obvious skin damage. But, did you know that short, repeated exposure to the sun (also called chronic sun exposure) is a major cause of skin damage too. Sunscreens are rated by their SPF (sun protective factor). The American Academy of Dermatology recommends looking for an SPF of at least 15. Many sunscreens - even if they have the same SPF numbers - have different ingredients or different combinations of the same ingredients. Sunscreen ingredients that screen out UVA rays include oxybenzone and avobenzone or Parsol 1789. Ingredients that screen out UVB rays include cinnamates and salicylates.

The current Sun protection factor levels only protect us from UVB rays which cause sunburn. UVA rays damage collagen and cause wrinkles and sun spots, as well as cancer and melanoma. The FDA has called upon manufacturers to provide more detailed information on their labels. This would be the first time they would be required to test and label sunscreens to protect against UVA rays. In addition to sunscreens, there are also physical blockers such as zinc oxide and titanium dioxide. These products don't interact with the skin the way sunscreens do. They sit on the skin and block the sun. In the past, you could tell when someone used zinc oxide because it was a thick white smear. But now there are special micronized formulas that blend in much better. Your doctor can advise you about what's best for your skin.

Whilst nobody would recommend you cover yourself up completely and lock yourself indoors there are many, very simple precautions you can take to help protect your skin from the affects of the sun.

- Hit the high numbers - purchase a sunscreen with a Sun Protection Factor (SPF) rating of at least 15, if not higher. Remember, the higher the SPF, the better the protection.

- Apply sun lotion properly - ensure you put plenty on your face and neck, arms, back and shoulders and your legs.

- Don't forget your sensitive bits - take particular attention to the tops your feet, ears, neck and hands as these generally tend to be the areas that get the sun worst!

- Prepare early - give your sun lotion plenty of time to work on the skin so apply your first application at least 20 to 30 minutes before going outdoors.

- Don't forget to protect your lips - there are many excellent lip balms available that also offer protection from the sun.

- Avoid the hottest part of the day - the sun is at its hottest between 11am and 3pm so make sure you get some shade or make an excuse to have a particularly long lunch!

- Don't be afraid to cover up - get under a parasol, wear a loose fitting, long-sleeved t-shirt and wear a wide-brimmed hat. Any protection is good protection!

The bottom line is that there's a lot of choice for sun protection out there. It's especially important for children, because much of our sun exposure happens when we are young.

Read About Hairstyles also Read about Skin Whitening and Sun Protection

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