90% of all commercial soap shampoos use a detergent called sodium dodecyl sulfate (SDS) or sodium laureth sulfate (SLES) and/or sodium laurel sulfate (SLS) that can be retained in tissues up to 5 days even after a single drop.

Dr. Keith Green noted (SLS) causes improper eye development in children.

SLS has a tendency to react with other ingredients to form NDELA, a nitrosamine and potent carcinogen.

Researchers  actually estimate the nitrate absorption of one soap shampoo is equal to eating a pound of bacon!

The FDA has recently warned shampoo manufacturers of unacceptable levels of dioxin in products containing SLES.

SLS is a skin irritant that can penetrate and impair the skin barrier.

SLS can also enhance the  allergic response to other toxins and allergens per "Dangerous Beauty" by David Lowell Kern. We do not  advise their use.

Sodium Lauryl Sulfate(SLS) & Sodium Laureth Sulfate(SLES)
Potentially, SLS is perhaps the most harmful ingredient in personal-care products. SLS is used in testing labs as the standard ingredient to irritate skin. Industrial uses of SLS include garage floor cleaners, engine degreasers, and car wash soaps just to name a few. Studies show its danger potential to be great when used in personal-care products. One study indicates that SLS is systemic, and can penetrate and be retrained in the eye, brain, heart, liver etc., with potentially harmful long-term effects. It could retard healing, cause cataracts in adults, and can keep children's eyes from developing properly.

 Other research has shown that SLS and SLES may cause potentially carcinogenic nitrates and dioxins to form in shampoos and cleansers by reacting with commonly used ingredients found in many products. Large amounts of nitrates may enter the blood system from just one shampooing. SLES is the alcohol form (ethoxylated) of SLS. It is slightly less irritating but may cause more drying. Both SLS and SLES can enter the blood stream. They are used in personal-care products because they are cheap. A small amount generates a large amount of foam, and when salt is added it thickens to give the illusion of being thick and concentrated.

A LITTLE MORE NEWS.... if you think the ingredients in your personal products are safe, then why did this happen at a shampoo factory..  7/14/99

IOWA CITY, Iowa (AP) - About 5,000 people were evacuated Tuesday from the city's southeast side when a corrosive chemical spilled while being unloaded at a factory that makes shampoo and toothpaste. About a gallon of the chemical, called Chlorosulfonic Acid or CSA, spilled while being piped from a rail car into a storage tank at a Procter & Gamble Co. factory. The spilled acid formed a vaporous cloud, which began drifting on the wind. "They can harm you if you inhale them or just come into contact with your skin," said Iowa City Fire Marshal Roger Jensen. Two police officers exposed to the vapor were checked out at a hospital and released. There were no other injuries, Jensen said. P&G spokesman Mike McCleary said the spill occurred about 10 a.m. when a valve on the unloading equipment failed.