A lot of our customers(and my staff) had been mentioning to me that they are sure sunless tanners are probably going to be cancerous in no time. A customer had over heard our conversation and replied "well if red lipstick hasn't caused cancer yet"... Very true. This statement got the marbles rolling for me! So, I researched and found out that in fact the California sunless tanning system we use in our salon is completely safe Read this article by Every Day Health :

http://www.everydayhealth.com/blog/zimney-health-and-medical-news-you-can-use/good-and-bad-news-about-sunless-tanning/

So I went on the California Tan website and found out that our tanner contains DHA (a sugar molecule that provides a tan appearance in the upper layer of the skin called the epidermis). DHA is FDA approved! This stimulates a chain of chemical reactions that causes the cells in the upper epidermis to turn brown. There is a cool video on their website that explains the process:

http://www.californiatan.com/tanning/basics/sunless/

I am very estacic that I chose a great tanning system. The first article states to be careful of other tanning lotions containing the ingredient "canthaxanthin"! 

"Now lets all go get our TAN on" The "SAFE" natural way! I hope this article helped answer your concerns