jessica frace samantha trimmer chem 106. popularity rising since the discovery of the health...
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Self Tanners
Jessica FraceSamantha Trimmer
CHEM 106
Popularity rising since the discovery of
the health hazards of the sun
Incidence of skin cancer
Media
Popularity
Active Ingredient: Dihydroxyacetone
(DHA)
• Simple 3-carbon sugar• Non-toxic• Browning effects discovered by accident• ALSO the ingredient that makes beer
golden brown
Acetobacter Suboxydans: usually produces the DHA in self tanners
Milliard Reaction: amino acids interact with sugars to create brown or golden brown compounds (similar to toasting bread or grilling meat browning effects)
Proteins in skin react with amino acids to produce pigments- Melanoidins
Strantum Corneum: outer most dead layer of human skin. Shed skin daily- wearing
DHA chemistryhttp://www.youtube.com/watch?v=qP22ODuCip4
Organic Compounds & Amino Acids Glycine Lysine Histidine
Erythulose: natural-based keto sugar that reacts with amino acids. Reaction occurs on the outer layer or the skin creating a non-toxic browning effect
Other Ingredients
Lotion: most common, daily moisturizer
Mousse
Spray: quick drying, streak-free
Airbrush
Types of Self-Tanners
What’s your tone?
Produced with lower PH levels and a lower concentration of DHA
“natural tan
appearance No tan lines Sunless help avoid
premature wrinkling and aging of your skin
Help avoid painful and disfiguring sunburn
Safer than tanning beds More convenient; less
time Less expensive (type)
Pros & Cons
• Allergic reaction• Most do not contain any skin
protecting sunscreen• Rash• Sensitive skin- supposed o
test on small portion of skin first
• Some self tanner give off odors that may be inhaled and cause health issues
• If spots of skin are missed, tan will appear uneven
www.livestrong.come/article/18671-risks-
sunless-tanning/
www.livestrong.com/article/27540-self-tanners/
http://www.pubs.acs.org/cen/whatstuff/stuff/html
Works Cited