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	Sun Protection Information on Healthline
		One of the factors that increases the risk of skin cancer is the number of sunburns experienced during childhood.
		Sunscreens are rated by a sun protection factor, or SPF, which is a multiplier of the amount of time the skin can be exposed to the sun before experiencing sunburn.
		It is important to note that the SPF is not cumulative; in other words, reapplying a sunscreen after being in the sun for a period of time does not extend the sun protection factor; it will only replenish the protection that may have been washed away by perspiration or during swimming.
	www.healthline.com /galecontent/sun-protection (760 words)

	Discovery Health :: Diseases & Conditions :: skin cancer protection
		Chemical sunscreens and sunblocks protect the skin by absorbing visible and invisible, or ultraviolet, sun rays.
		Sun Exposure Sunscreens and sunblocks have been developed to decrease the harmful effects of the sun on the skin.
		The higher the SPF, the greater the protection from the sun.
	health.discovery.com /encyclopedias/illnesses.html?article=2992&page=1 (769 words)

	SUNSCREEN FACTS AND INFORMATION (Site not responding. Last check: 2007-10-18)
		The SPF (sun protection factor) of a sunscreen is a laboratory measure of the effectiveness of sunscreen.
		SPF is the inverse of the proportion of UVB that penetrates the sunscreen.
		The SPF is an imperfect measure of skin damage, because invisible damage and skin aging is also caused by the very common ultraviolet type A, which does not cause reddening or pain.
	www.flowergods.com /Sunscreen#Sun_protection_factor (896 words)

	Sun protection factor (SPF) definition - Medical Dictionary definitions of popular medical terms
		SPF numbers on a package can range from as low as 2 to as high as 60.
		The SPF rating is calculated by comparing the amount of time needed to produce a sunburn on protected skin to the amount of time needed to cause a sunburn on unprotected skin.
		Sunscreens with an SPF of 15 or higher are generally thought to provide useful protection from the sun's harmful rays.
	www.medterms.com /script/main/art.asp?articlekey=5590 (293 words)

	Sun Protection Factor (SPF)
		Sun protection factor is a standard measurement of a sunscreen's ability to protect the skin and to prevent sunburn.
		Sunburn and damage to the skin is caused by exposure to ultraviolet rays from the sun.
		If you are going to spend time in the sun, be aware that some medications, such as antibiotics, blood pressure medications, and antihistamines, as well as some perfumes and alcohol, may cause your skin to be more sensitive to the sun.
	www.visionrx.com /library/enc/enc_spfactor.asp?print=1%2 (779 words)

	SPF - Sun Protection Factor
		SPF stands for sun protection factor, and the acronym is used to convey how much protection a sunscreen gives.
		Actually, SPF measures only the amount of sun protection from the burning ultraviolet B rays, and does not measure protection from ultraviolet A rays.
		Because SPF measures only protection against ultraviolet B rays, it is advisable to make sure that the label of the sunscreen you buy also indicates it has ultraviolet A protection.
	www.beauty-fitness-guide.com /dermatology/spf.htm (190 words)

	sun protection, sun cream, sun protection factor, sun protection cream - 21stcenturyhealth.co.uk
		is the revolution in the sun protection sector.
		Sunscreen sun protection factors (SPF) are measured by timing how long skin covered with sunscreen takes to burn compared to uncovered skin.
		The SPF of a sunscreen indicates the time period you can stay in the sun without burning based on your skin complexion.
	www.21stcenturyhealth.co.uk /sun-protection-cream.htm (426 words)

	Sun protection for children
		Sun exposure and protection is a complex and contradictory area of child health.
		This is because high SPF (sun protection factor) creams give sun worshippers a false sense of security, encouraging them to stay out in the sun much longer than they should.
		The sun produces three types of UV radiation – A, B and C. The SPF factor in your sun cream is for UVB protection only.
	www.ivillage.co.uk /print/0,,185230,00.html (861 words)

	Sun Protection - Information about Sun Protection (Site not responding. Last check: 2007-10-18)
		The length of time you can spend in the sun without burning is known as your natural protection time and gives you a rough guide as to how long you can stay out in strong sunlight before your skin begins to go red.
		The SPF (sun protection factor) number on the front label of your sunscreen is a guide to how many times longer than your natural protection time you can stay in the sun without burning.
		The nearer you are to the equator the stronger the sun.
	www.surgerydoor.co.uk /coe/skincentreold/sun3.shtml (355 words)

	SPF: Sun Protection Factor :: Himaya Sports Skin Protection
		In conjunction with Skin Type information and the relevant UV index for that day it indicates the amount of time of safe sun exposure (without the protection of a sun screen) before the skin becomes overexposed to harmful UV radiation and starts to burn.
		For instance, if the UV Index specifies that without sun screen protection a particular skin type can safely remain in the sun for 10 minutes, on the snow it will be half of that, or five minutes.
		Altitude is another factor affecting the UV Index, again shortening the time of safe sun exposure.
	www.himaya.info /solar/spf.html (637 words)

	Pharmacie Jean Coutu - Jean Coutu Pharmacy (Site not responding. Last check: 2007-10-18)
		Tanned skin is not sufficient protection against the sun's rays, because its protection factor is equal to a SPF of 4 only.
		In practice, a SPF 15 means that the dose of UVB necessary to obtain redness is 15 times higher.
		This does not mean that you can stay in the sun 15 times longer, but that the protection will be effective over a length of time more or less long, according to the time of day and the presence of UVB rays.
	www.jeancoutu.com /english/health/health_advices/contenu_archives.cfm?conseils_id=47 (219 words)

	Sun Protection Factor (Site not responding. Last check: 2007-10-18)
		Because of these risks, it is important that you educate yourself on the use of the sunscreen, and specifically the sun protection factor (SPF) assigned to each sunscreen.
		Each sunscreen has a sun protection factor that is equal to the amount of time you can stay in the sun without burning.
		It is recommended that you wear a sunscreen with a sun protection factor of 15 everyday regardless of whether you actually intend to spend any amount of time in the sun.
	www.anti-aging-skin-care-treatments.com /sun-protection-factor.html (305 words)

	NOAH — Sun Protection
		In theory, if a person could stay in the sun 10 minutes without burning with no sunscreen, he or she could wear an SPF 20 sunscreen and stay in the sun 20 times 10 minutes or 200 minutes before burning.
		Since sunburn develops two to four hours after the sun exposure, and sunburn may peak in intensity as long as 24 hours after sun exposure, it is important to apply the sunscreen systematically.
		Using sunscreens with SPF higher than 30 offers little benefit, and more concentrated chemicals might be more likely to irritate or cause an allergic rash.
	www.albinism.org /publications/sunprotection.html (2135 words)

	sun lotion, suntan lotion, sun cream, suncare, sun protection lotion - 21stcenturyhealth.co.uk
		The dispenser is equipped with a dial which enables you to adjust your desired sun protection factor at any time.
		By pressing the dispenser head the protection factor you choose is mixed in a pump system and released.
		Dermatologically tested and with added ingredients such as aloe vera, panthenol and vitamin E, Variousun sun products are the simplest and most stylish way for skin conscious people to protect their skin from the sun's powerful UVA and UVB rays whilst building a healthy and long lasting tan.
	www.21stcenturyhealth.co.uk /variosun.asp (316 words)

	Rocky Mountain Sunscreen Skin Care Information
		Sun Protection Factor (SPF) numbers on a package can range from as low as 2 to as high as 60.
		The Sun Protection Factor (SPF) rating is calculated by comparing the amount of time needed to produce a sunburn on protected skin to the amount of time needed to cause a sunburn on unprotected skin.
		Sunscreens with a Sun Protection Factor (SPF) of 15 or higher are generally thought to provide useful protection from the sun's harmful rays.
	www.rmsunscreen.com /Resources/Sun-Protection-Factor.html (278 words)

	Sun protection factor Information (Site not responding. Last check: 2007-10-18)
		Sun Protection Factor are great for when you're looking to get better at sun protection factor for selfish purposes.
		Sun Safety, Advice for coaches, parents, teachers about sun protection from sunburn, cancer, skin cancer, for youth.
		To comply with European standards for sun protection, fabrics must have an UPF of 40 - equivalent to sun cream with a sun protection factor of...
	sun.4infochest1.info /sun-conures/sun-protection-factor.html (247 words)

	SPF: Sun Protection Factor :: HIMAYA Sports Skin Protection
		In conjunction with Skin Type information and the relevant UV index for that day it indicates the amount of time of safe sun exposure (without the protection of a sun screen) before the skin becomes overexposed to harmful UV radiation and starts to burn.
		Altitude is another factor affecting the UV Index, again shortening the time of safe sun exposure.
		To fully protect the skin from dangerous UV radiation you must also apply very strong sun screen protection or total sun block.
	www.himaya.com /solar/spf.html (656 words)

	Vital facts about sun protection factor and sun shade protection clothes
		Higher SPF provides up to 4% more protection and is especially useful for individual with sensitive skin.
		That is why The Skin Cancer Foundation recommends a comprehensive approach to protecting one's skin from the sun's rays, including sunscreen, sun protection clothes, and shade.
		Sun shade protection is a great way to avoid some of the harmful effects of sunlight.
	www.solareclipse.com /SunProtectionFactor.html (394 words)

	SUN PROTECTION
		Protection from the sun is particularly important for children.
		To guard against problems now and later in life, it's up to parents to take the necessary steps to protect their children's skin and eyes from the damaging effects of the sun.
		Place your infant or child under a large sun umbrella at the beach to protect her from sunrays reflecting off the white sand.
	www.askdrsears.com /html/10/t110226.asp (572 words)

	SPF Sun Protection Factor
		In the United States the Sun Protection Factor of a product tells how long you may stay in the sun without burning from UVB light.
		SPF is only a sunburn meter allowing tanning with enough sun exposure.
		SPF means Sun Protection Factor using this equation.
	911skin.com /spf.html (334 words)

	Sun Protection and Sunscreen Information by MedicineNet.com
		SPF, an abbreviation for sun-protection factor, is a number such as 15, 30 or 50 that indicates how long a topical sunscreen remains effective on the skin.
		If she applies a sunscreen with an SPF of 15, she will be protected for 150 minutes (10 minutes multiplied by the SPF of 15).
		If he also applies a sunscreen with an SPF of 15, he will be protected for 450 minutes (30 minutes multiplied by the SPF of 15).
	www.medicinenet.com /sun_protection_and_sunscreens/page2.htm (424 words)

	Why is it important to use sunscreen? (Site not responding. Last check: 2007-10-18)
		SPF stands for "Sun Protection Factor." The higher the SPF number, the more sunburn protection the product provides.
		If you're a parent, protect your children's skin; research indicates that one or more severe, blistering sunburns in childhood or adolescence can double the risk of skin cancer later in life.
		Remember that the sun's rays are the strongest from 10:00 a.m.
	www.cfsan.fda.gov /~dms/qa-cos21.html (425 words)

	Sunscreens and Sun-Protective Clothing (Site not responding. Last check: 2007-10-18)
		Infants shouldn’t be in the sun at all.
		Sunscreens with SPF numbers higher than 15 may work better for people who are fair-skinned, live at high altitudes, work or play outdoors much of the day, or perspire heavily.
		The higher the UPF, the higher the protection from the sun's UV rays.
	www.ftc.gov /bcp/conline/pubs/health/sun.htm (958 words)

	Sunwatch UV Monitor Helps Prevent Skin Cancer
		SPF 15 is generally considered to be adequate for higher UV zones however a higher protection factor such as SPF 30 gives better protection in zones where the sun is stronger such as south Africa and Australia.
		SPF is calculated by comparing the amount of time needed to produce a sunburn on protected skin to the amount of time needed to produce a sunburn on unprotected skin.
		A product is rated SPF 2 if a person who normally starts to burn after 10 minutes without sun protection begins to burn after 20 minutes with the sun protection product.
	www.safety-devices.com /spf.htm (295 words)

	Sun Protection Clothing \| UV Protective Swimwear Fla \| SPF Babies Clothing \| Florida Childrens Sun Wear \| Kids Swim ... (Site not responding. Last check: 2007-10-18)
		Since the sun is such an integral part of our lives, everybody needs to learn and follow the basic principles of sun safety.
		Sun protective wear provides continuous 50 UPF/SPF (ultraviolet protection factor/sun protection factor) broad spectrum sun protection blocking over 97.5% of UV rays without the worry of whether the sunscreen has worn off.
		While wearing sun protective wear, there is no need to reapply sunscreen except on the uncovered areas which are minimized with the sun protective wear.
	www.funraysfl.com (853 words)

	Sunburn-Prevention
		Stay out of the midday sun (from 10 in the morning to 4 in the afternoon), which is the strongest sunlight.
		Use a sunscreen with a sun protection factor (SPF) of 30 or higher to protect babies' and children's very sensitive skin.
		If you are going to have high exposure to the sun, consider using a physical sunscreen (sunblock), such as zinc oxide, which will stop all sunlight from reaching the skin.
	www.webmd.com /skin-problems-and-treatments/tc/Sunburn-Prevention (909 words)

	Sunscreen information - sun protection factor, sunscreens & skin cancer
		Good sun protection methods include staying in the shade during the peak sun strength times, covering up, wearing sunglasses and a wide brimmed hat and using an SPF 15 or higher sunscreen.
		Part of the Government's safe sun message advises people to use protective sunscreen but, according to new research, while useful for protecting against UVB rays, lotions are less protective against harmful UVA.
		Although benefits of UVA protection may seem limited in current sunscreens, the lotions are still useful for protecting against UVB rays and should continue to be used.
	www.bupa.co.uk /health_information/html/health_news/061003lotion.html (1607 words)

	sun protection factor -- sun protection factor (Site not responding. Last check: 2007-10-18)
		SPF is the ratio of the minimal ultraviolet dose required to produce redness with and without a sunscreen.
		SPF stands for Sun Protection Factor, and is a laboratory measure, which grades the ability of a sunscreen to filter out UVB rays.
		Because being in the sun is a pleasure but also a risk, sun protection is without question, the most important factor for the future health and beauty of your skin.
	www.fdcfactoring.com /sunprotectionfactor (3833 words)

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