130 likes | 432 Views
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
E N D
Sunless Tanning By John Maguire
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 chemicalDihydroxyactone (DHA) extractedfromsugarcane plant. • Actswiththedeadoutterlayersoftheskintostainit a darkercolor. Howeverthey do not protectagainstsunburn.
Referances • http://www.everydayhealth.com/blog/zimney-health-and-medical-news-you-can-use/good-and-bad-news-about-sunless-tanning/ • http://www.huffingtonpost.com/2012/10/04/tanning-beds-cancer_n_1941023.html • http://www.cdc.gov/cancer/skin/basic_info/indoor_tanning.htm • http://kidshealth.org/teen/safety/safebasics/tanning.html#