Transcript Maguire_Tanning

Sunless Tanning
By John Maguire
What is sunless tanning?
How does your skin tan?
 The Sun emits radiation in two forms UVB & UVA
 UVB is the type that hits the top layers of the skin and
burns
 UVA causes tanning by penetrating deeper into the
epidermis and trigger cells called melanocytes
 Melanocytes produce the brown pigment melanin
 Tanning is the skins response to injury
Cancer
 Excessive tanning leads to skin cancer UVA rays
damage the immune system and lead to illness called
melanoma
 UVB rays can cause types of skin cancer called basal
and Squamous cell Carcinoma (found in the face and
neck)
 Each year there are 170,000 reported cases of skin
cancer each year.
Myths about tanning
 Vitamin D
 Getting a base tan will protect me in the sun
Facts
 Indoor tanning before age 35 makes you 75% more
likely to get melanoma
 Every year 2.3 million teen’s visit tanning salons
 Avoid tanning pills is no scientific proof that they work
and are not approved by the government.
 Medications and sun reflectors are factors in sun
exposure.
How to be safe in the sun
 Always wear an spf of at least 15 and re apply every
1.5-2 two hours
 Take breaks form the sun. The strongest rays are from
10am-4p,
The tanning business
 Since this evidence about tanning backed by the CDC
has came out tanning beds have become much less
popular.
 In contrast the market for sunless tanning has improved
greatly
 Active chemical Dihydroxyactone (DHA) extracted from
sugar cane plant.
 Acts with the dead outter layers of the skin to stain it a
darker color. However they do not protect against
sunburn.
Referances
 http://www.everydayhealth.com/blog/zimney-healthand-medical-news-you-can-use/good-and-bad-newsabout-sunless-tanning/
 http://www.huffingtonpost.com/2012/10/04/tanningbeds-cancer_n_1941023.html
 http://www.cdc.gov/cancer/skin/basic_info/indoor_tanni
ng.htm
 http://kidshealth.org/teen/safety/safebasics/tanning.html
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