There are many variations depending on their molecular weight. PEGs contribute to stripping the Natural Moisture Factor, leaving the immune system vulnerable. They are also potentially carcinogenic. They are used in caustic spray-on oven cleaners and yet are found in many personal care products. Propylene Glycol PG is the active ingredient in antifreeze.
Direct contact can cause brain, liver and kidney abnormalities.
Both are used as detergents and surfactants used in car wash soaps, garage floor cleaners and engine degreasers, yet are more widely used in cosmetics, toothpaste, hair conditioner, shampoo and other products that foam. SLS exposure has caused eye damage, depression, diarrhea and severe skin irritation in animals. Perhaps the most dangerous of all ingredients in personal care products, SLS when combined with other chemicals can be transformed into nitrosamines, a potent class of carcinogens. After considerable research, we have located a product line which has NONE of these toxic chemicals in it, and has been proven to reverse much of the damage done to skin which has been subjected to years of brand name cosmetic products.