Sodium Methyl Cocoyl Taurate is a mild surfactant for foaming formulas, with the following properties : foaming effect, wide pH range stability, biodegradability, mild and non-drying for the skin, and a soft after feel.
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Sodium Cocoyl Isethionate is a foaming surfactant. Compared to classic Sodium Laureth Sulfate (SLES), Sodium Cocoyl Isethionate is a mild, surfate-free, high-foaming, anionic and non-ethoxylated. It is consequently a good option to avoid SLES in cleansing formulas, but much more expensive.
Sodium Stearoyl Glutamate is a surfactant. It is sold by Ajinomoto under the tradename Amisoft HS11-P. Ajinomoto describes this ingredient as “an anionic surfactant produced from L-Glutamic acid (an amino acid) and plant-derived palm fatty acid. Extremely hypoallergenic and well suited as a emulsifier. The pH is similar to that of the skin, therefore, it is very mild to the skin. Natural and environmentally friendly.”
This first part of the study is dedicated to the understanding of the formulation strategy used by Beiersdorf to design its Nivea Visage range.