Sodium Lauryl Sulfate is one of the oldest and harshest surfactants used in skincare. A surfactant has properties that allow it to act like a detergent, making it suitable for a cleansing job. Products like Cetaphil Gentle Skin Cleanser claim to be very gentle on the skin, yet contain Sodium Lauryl Sulfate (SLS). It is considered a safe ingredient when used in suitable skincare formulas, but its concentration is not regulated, nor do we have extensive and long term studies on the effects of…
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