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History Of Sunscreen Essay

1741 words - 7 pages

History of Sunscreen:

In ancient times the only way to protect yourself from the sun was to wear clothing that covered most of your body and large hats. Ancient people would use plant extracts and oils that they thought would help protect their skin from the sun. It was considered of high class to have pale skin and therefore people of high stature would use white powder (arsenic salts) to help produce a whiter looking appearance.
The modern development of sunscreen was produced by Eugene Schueller in 1935. He produced a sunscreen using benzyl salicylate as a UVR absorber. Schueller was the founder of a company known today to be L’Oreal and was great at advertising. After WWII he ...view middle of the document...

There has been a significance increase in the amount of places where people are go to tan and also the amount of products there are to help enhance the look of your tan. The harm that is associated with tanning in the problem of developing skin diseases, in recent years there have been many studies that show the use of tanning either in a tanning be d or outdoors for a long period of time over many years or even months can increase your risk of developing certain types of skin disease. In today’s society you can see products now that can help you have a tan without using a tanning bed or even going outside these products are called “self tanners”. With the use of “self tanners” and tanning beds anyone can have a perfectly dark tanned body year round no matter what type of climate you live in.
To market sunscreens you often see a woman with children playing in the sun and layering on sunscreen tp help protect themselves from the harmful rays of the sun. These people are often less tanned than most people would like to be and the fact is that most people that are at risk to the sun either don’t use sunscreen or only apply half of the recommended thickness therefore the SPF that is seem on the label becomes cut it half.
The effect that sunscreen has on society is that without the use of sunscreen it would be very hard for people to produce a good tan that we see on many celebrities. Sunscreen was produce to help protect the skin from the harmful effects it can have which are skin cancers and other skin diseases.

http://www.skincancer.org/understanding-uva-and-uvb.html

UVA (long wave):

UVA, which penetrates the skin more deeply than UVB, has long been known to play a major part in skin aging and wrinkling (photoaging), but until recently scientists believed it did not cause significant damage in areas of the epidermis (outermost skin layer) where most skin cancers occur. Studies over the past two decades, however, show that UVA damages skin cells called keratinocytes in the basal layer of the epidermis, where most skin cancers occur. (Basal and squamous cells are types of keratinocytes.) UVA contributes to and may even initiate the development of skin cancers.
UVA is the dominant tanning ray, and we now know that tanning, whether outdoors or in a salon, causes cumulative damage over time. A tan results from injury to the skin’s DNA; the skin darkens in an imperfect attempt to prevent further DNA damage. These imperfections, or mutations, can lead to skin cancer.
Tanning booths primarily emit UVA. The high-pressure sunlamps used in tanning salons emit doses of UVA as much as 12 times that of the sun. Not surprisingly, people who use tanning salons are 2.5 times more likely to develop squamous cell carcinoma, and 1.5 times more likely to develop basal cell carcinoma. According to recent research, first exposure to tanning beds in youth increases melanoma risk by 75 percent.

UVB (short wave):

UVB, the chief...

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