How to protect skin from sun light?

Due to continued or direct exposure to sunlight skin begins to be damaged, whether sunburn occurs or not. This skin damage leads to skin cancer and some other effects can also be their like wrinkling, premature aging and leathery appearance of the skin. Researchers also suggest that excessive exposure to UV radiation may interfere with the body's immune system. Sunburn occurs due to the shorter ultraviolet wavelengths, known as ultraviolet B (UVB). The longer wavelengths, known as ultraviolet A (UVA), however, can penetrate the skin and damage connective tissue also. It is important to have some precautions from both UVA and UVB.
The following information on sunscreens, tanning products, and sun safety is intended to help consumers make informed decisions about sun protection and tanning.

Sunscreens

Sunscreens play an important role to reduce the harmful effects of the sun light. These sunscreens can help by limiting sun exposure. FDA regulates sunscreens as Over-the-Counter Drug (OTC) drugs. Sunscreens which are labeled with SPF (Sun protection Factor) numbers should only be purchased. The higher the SPF number, the more sunburn protection the product provides. The higher the SPF number, the more is the sunburn protection.

Tanning Accelerators and Tanning pills

Tanning accelerators enhance the tanning by stimulating and increasing melanin formation. FDA has concluded that these "tanning accelerators" are actually unapproved drugs. Tanning pills contain large doses of canthaxanthin. When a person ingests canthaxanthin in large quantities, the substance is deposited in various parts of the body, including the skin, where it imparts a color ranging from orange to brownish. Tanning pills have been associated with side effects, particularly a condition called "canthaxanthin retinopathy," the formation of yellow deposits in the retina of the eye.

Precautions

Cover all the exposed areas with tightly woven clothing and wear a wide-brimmed hat to protect your head and face. Protect your children's skin also because the researchers suggests that if severe blistering sunburns occurs in childhood then their will be double the risk of skin cancer later in life. Sun’s rays are the strongest from 10:00 a.m. to 4:00 p.m, especially during the late spring and summer. Reflected glare from water and snow also can increase your exposure to UV radiation. Also protect your eyes from the sun because too much UV radiation can damage the cornea and lead to cataracts. Also clouding of the lens of the eyes can cause blindness. So it is advised to wear the dark glasses to get rid of U.V. radiation. Check the label when choosing sunglasses in order to make sure that they provide protection against UV radiation.