Cleansing and foaming
Sodium laureth sulfate is a surface-active agent or surfactant. All surfactants are partly water-soluble and partly oil-soluble. It is this quality that allows oil and water, which normally don’t mix together, to become dispersed.
Used at above minimum concentration, the surfactant molecules become organised in a structure that can trap oil-based dirt from hair, which allows the dirt to be rinsed away. Foam is not responsible for removing dirt, but it allows the hands to work the product through hair or across skin. This helps the mechanical removal of dirt.
Sodium laureth sulfate is an opaque, thick liquid. Its consistency varies, depending on the concentration level.
Sodium laureth sulfate gives thick rich foam and it cleanses the hair. Its thorough action dissolves dirt and grease effectively. When other ingredients - such as sea salt - are added, hair gains volume, body and shine.
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