BY DANIEL JOHN PHILLIPS
SPF stands for "sun protection factor." Basically SPF sunscreen protects the cause of the skin from UV rays that cause cancer, by their natural defense against lightning. It sounds confusing, but it is not. That's how it works - if you protect burn easily and can usually only last 10 minutes in the sun, a sunscreen with a sun protection factor of 15, in theory, to 15 times the natural protection of the time if you So this will be protected against UV rays for 150 minutes. But it is a theory - which does not include sweating, swimming, or clothing - or any other factors that prevent the sunscreen can rub or benefits.
Another thing to consider is that once you get your time protection (theoretical 150 minutes) is used, an additional dose of sunscreen is not to add more protection during the day. In this case, if you were outside in the sun during the writing of his "protected" as long as you avoid the sun for at least most of the rest of the day to avoid burning.
On the question of the combustion, there are two types of ultraviolet (UV) rays cause the cancer: UVA and UVB rays.
UVA are the rays of the sun makes our skin while tanning and wrinkles and old messages produced and sagging skin. Although not as powerful as UVB rays that penetrate deep into the skin. UVB rays are shorter, more UV radiation from the sun. UVB rays are responsible for sunburn - affects the outer layer of skin (epidermis) and is an important factor for the development of skin cancer. The best sun protection against UVA and UVB protection.
Different parts of the world, the recording time varies depending on how much the ozone layer in this region. New Zealand, for example, a "hole" on them and burn times can be very fast.
When it comes to SPF in sunscreen, we recommend that you use your sunscreen when you are - even in winter or if it a cloudy day.
http://www.spfinsunscreen.com brings you everything you always had suncreen SPF sunscreen or sunblock know.
SPF stands for "sun protection factor." Basically SPF sunscreen protects the cause of the skin from UV rays that cause cancer, by their natural defense against lightning. It sounds confusing, but it is not. That's how it works - if you protect burn easily and can usually only last 10 minutes in the sun, a sunscreen with a sun protection factor of 15, in theory, to 15 times the natural protection of the time if you So this will be protected against UV rays for 150 minutes. But it is a theory - which does not include sweating, swimming, or clothing - or any other factors that prevent the sunscreen can rub or benefits.
Another thing to consider is that once you get your time protection (theoretical 150 minutes) is used, an additional dose of sunscreen is not to add more protection during the day. In this case, if you were outside in the sun during the writing of his "protected" as long as you avoid the sun for at least most of the rest of the day to avoid burning.
On the question of the combustion, there are two types of ultraviolet (UV) rays cause the cancer: UVA and UVB rays.
UVA are the rays of the sun makes our skin while tanning and wrinkles and old messages produced and sagging skin. Although not as powerful as UVB rays that penetrate deep into the skin. UVB rays are shorter, more UV radiation from the sun. UVB rays are responsible for sunburn - affects the outer layer of skin (epidermis) and is an important factor for the development of skin cancer. The best sun protection against UVA and UVB protection.
Different parts of the world, the recording time varies depending on how much the ozone layer in this region. New Zealand, for example, a "hole" on them and burn times can be very fast.
When it comes to SPF in sunscreen, we recommend that you use your sunscreen when you are - even in winter or if it a cloudy day.
http://www.spfinsunscreen.com brings you everything you always had suncreen SPF sunscreen or sunblock know.
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