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Sodium Lauryl Sulfate and Sodium Laureth Sulfate are anionic surfactants used in countless skin care preparations for their foaming capabilities. Anionic refers to the negative charge these surfactants have. These surfactants may be contaminated with nitrosamines, which are cancer-causing agents. They are also known irritants to the eyes, skin and respiratory tract. These surfactants are commonly used in car washes and engine degreasers-why would you want that in your hair?
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