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