Transcript Self Tanners

Jessica Frace
Samantha Trimmer
CHEM 106
Popularity

 Popularity rising since the discovery of the health
hazards of the sun
 Incidence of skin cancer
 Media
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Simple 3-carbon sugar
Non-toxic
Browning effects discovered by accident
ALSO the ingredient that makes beer golden
brown
DHA chemistry

 Acetobacter Suboxydans: usually produces the DHA
http://www.youtube.com/watch?v=qP22
ODuCip4
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
Other Ingredients

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
Types of Self-Tanners

 Lotion: most common, daily moisturizer
 Mousse
 Spray: quick drying, streak-free
 Airbrush
What’s your tone?

Produced with lower PH levels and a lower
concentration of DHA
Pros & Cons

 “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)
• 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
Works Cited

 www.livestrong.come/article/18671-risks-sunlesstanning/
 www.livestrong.com/article/27540-self-tanners/
 http://www.pubs.acs.org/cen/whatstuff/stuff/html