the last thing pharma wants is for the word to get out about CS. it would kill half their business, maybe more. they would have to invent new mental diseases and drugs for those!
if anyone was going to turn blue, it would be me. i drank a sh--load of high concentration large particle size BRIGHT YELLOW cs that i made myself for almost a year, thinking it had to be yellow to be strong enough. year after year since then i tan well and no shades of blue or grey.